From 2dac8e509bed07c30a98983cfb6b80f73a1582e9 Mon Sep 17 00:00:00 2001
From: mo8it <mo8it@proton.me>
Date: Tue, 23 Apr 2024 19:18:25 +0200
Subject: Refactor embedded files to add solutions

---
 solutions/03_if/if1.rs | 1 +
 solutions/03_if/if2.rs | 1 +
 solutions/03_if/if3.rs | 1 +
 3 files changed, 3 insertions(+)
 create mode 100644 solutions/03_if/if1.rs
 create mode 100644 solutions/03_if/if2.rs
 create mode 100644 solutions/03_if/if3.rs

(limited to 'solutions/03_if')

diff --git a/solutions/03_if/if1.rs b/solutions/03_if/if1.rs
new file mode 100644
index 0000000..70b786d
--- /dev/null
+++ b/solutions/03_if/if1.rs
@@ -0,0 +1 @@
+// TODO
diff --git a/solutions/03_if/if2.rs b/solutions/03_if/if2.rs
new file mode 100644
index 0000000..70b786d
--- /dev/null
+++ b/solutions/03_if/if2.rs
@@ -0,0 +1 @@
+// TODO
diff --git a/solutions/03_if/if3.rs b/solutions/03_if/if3.rs
new file mode 100644
index 0000000..70b786d
--- /dev/null
+++ b/solutions/03_if/if3.rs
@@ -0,0 +1 @@
+// TODO
-- 
cgit v1.2.3


From 177e2870c5272dacee662d3e9522bc57c5a134c0 Mon Sep 17 00:00:00 2001
From: mo8it <mo8it@proton.me>
Date: Thu, 25 Apr 2024 16:30:01 +0200
Subject: Edit comment

---
 solutions/00_intro/intro1.rs                     | 2 +-
 solutions/00_intro/intro2.rs                     | 2 +-
 solutions/01_variables/variables1.rs             | 2 +-
 solutions/01_variables/variables2.rs             | 2 +-
 solutions/01_variables/variables3.rs             | 2 +-
 solutions/01_variables/variables4.rs             | 2 +-
 solutions/01_variables/variables5.rs             | 2 +-
 solutions/01_variables/variables6.rs             | 2 +-
 solutions/02_functions/functions1.rs             | 2 +-
 solutions/02_functions/functions2.rs             | 2 +-
 solutions/02_functions/functions3.rs             | 2 +-
 solutions/02_functions/functions4.rs             | 2 +-
 solutions/02_functions/functions5.rs             | 2 +-
 solutions/03_if/if1.rs                           | 2 +-
 solutions/03_if/if2.rs                           | 2 +-
 solutions/03_if/if3.rs                           | 2 +-
 solutions/04_primitive_types/primitive_types1.rs | 2 +-
 solutions/04_primitive_types/primitive_types2.rs | 2 +-
 solutions/04_primitive_types/primitive_types3.rs | 2 +-
 solutions/04_primitive_types/primitive_types4.rs | 2 +-
 solutions/04_primitive_types/primitive_types5.rs | 2 +-
 solutions/04_primitive_types/primitive_types6.rs | 2 +-
 solutions/05_vecs/vecs1.rs                       | 2 +-
 solutions/05_vecs/vecs2.rs                       | 2 +-
 solutions/06_move_semantics/move_semantics1.rs   | 2 +-
 solutions/06_move_semantics/move_semantics2.rs   | 2 +-
 solutions/06_move_semantics/move_semantics3.rs   | 2 +-
 solutions/06_move_semantics/move_semantics4.rs   | 2 +-
 solutions/06_move_semantics/move_semantics5.rs   | 2 +-
 solutions/06_move_semantics/move_semantics6.rs   | 2 +-
 solutions/07_structs/structs1.rs                 | 2 +-
 solutions/07_structs/structs2.rs                 | 2 +-
 solutions/07_structs/structs3.rs                 | 2 +-
 solutions/08_enums/enums1.rs                     | 2 +-
 solutions/08_enums/enums2.rs                     | 2 +-
 solutions/08_enums/enums3.rs                     | 2 +-
 solutions/09_strings/strings1.rs                 | 2 +-
 solutions/09_strings/strings2.rs                 | 2 +-
 solutions/09_strings/strings3.rs                 | 2 +-
 solutions/09_strings/strings4.rs                 | 2 +-
 solutions/10_modules/modules1.rs                 | 2 +-
 solutions/10_modules/modules2.rs                 | 2 +-
 solutions/10_modules/modules3.rs                 | 2 +-
 solutions/11_hashmaps/hashmaps1.rs               | 2 +-
 solutions/11_hashmaps/hashmaps2.rs               | 2 +-
 solutions/11_hashmaps/hashmaps3.rs               | 2 +-
 solutions/12_options/options1.rs                 | 2 +-
 solutions/12_options/options2.rs                 | 2 +-
 solutions/12_options/options3.rs                 | 2 +-
 solutions/13_error_handling/errors1.rs           | 2 +-
 solutions/13_error_handling/errors2.rs           | 2 +-
 solutions/13_error_handling/errors3.rs           | 2 +-
 solutions/13_error_handling/errors4.rs           | 2 +-
 solutions/13_error_handling/errors5.rs           | 2 +-
 solutions/13_error_handling/errors6.rs           | 2 +-
 solutions/14_generics/generics1.rs               | 2 +-
 solutions/14_generics/generics2.rs               | 2 +-
 solutions/15_traits/traits1.rs                   | 2 +-
 solutions/15_traits/traits2.rs                   | 2 +-
 solutions/15_traits/traits3.rs                   | 2 +-
 solutions/15_traits/traits4.rs                   | 2 +-
 solutions/15_traits/traits5.rs                   | 2 +-
 solutions/16_lifetimes/lifetimes1.rs             | 2 +-
 solutions/16_lifetimes/lifetimes2.rs             | 2 +-
 solutions/16_lifetimes/lifetimes3.rs             | 2 +-
 solutions/17_tests/tests1.rs                     | 2 +-
 solutions/17_tests/tests2.rs                     | 2 +-
 solutions/17_tests/tests3.rs                     | 2 +-
 solutions/17_tests/tests4.rs                     | 2 +-
 solutions/18_iterators/iterators1.rs             | 2 +-
 solutions/18_iterators/iterators2.rs             | 2 +-
 solutions/18_iterators/iterators3.rs             | 2 +-
 solutions/18_iterators/iterators4.rs             | 2 +-
 solutions/18_iterators/iterators5.rs             | 2 +-
 solutions/19_smart_pointers/arc1.rs              | 2 +-
 solutions/19_smart_pointers/box1.rs              | 2 +-
 solutions/19_smart_pointers/cow1.rs              | 2 +-
 solutions/19_smart_pointers/rc1.rs               | 2 +-
 solutions/20_threads/threads1.rs                 | 2 +-
 solutions/20_threads/threads2.rs                 | 2 +-
 solutions/20_threads/threads3.rs                 | 2 +-
 solutions/21_macros/macros1.rs                   | 2 +-
 solutions/21_macros/macros2.rs                   | 2 +-
 solutions/21_macros/macros3.rs                   | 2 +-
 solutions/21_macros/macros4.rs                   | 2 +-
 solutions/22_clippy/clippy1.rs                   | 2 +-
 solutions/22_clippy/clippy2.rs                   | 2 +-
 solutions/22_clippy/clippy3.rs                   | 2 +-
 solutions/23_conversions/as_ref_mut.rs           | 2 +-
 solutions/23_conversions/from_into.rs            | 2 +-
 solutions/23_conversions/from_str.rs             | 2 +-
 solutions/23_conversions/try_from_into.rs        | 2 +-
 solutions/23_conversions/using_as.rs             | 2 +-
 solutions/quizzes/quiz1.rs                       | 2 +-
 solutions/quizzes/quiz2.rs                       | 2 +-
 solutions/quizzes/quiz3.rs                       | 2 +-
 96 files changed, 96 insertions(+), 96 deletions(-)

(limited to 'solutions/03_if')

diff --git a/solutions/00_intro/intro1.rs b/solutions/00_intro/intro1.rs
index 70b786d..4e18198 100644
--- a/solutions/00_intro/intro1.rs
+++ b/solutions/00_intro/intro1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/00_intro/intro2.rs b/solutions/00_intro/intro2.rs
index 70b786d..4e18198 100644
--- a/solutions/00_intro/intro2.rs
+++ b/solutions/00_intro/intro2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/01_variables/variables1.rs b/solutions/01_variables/variables1.rs
index 70b786d..4e18198 100644
--- a/solutions/01_variables/variables1.rs
+++ b/solutions/01_variables/variables1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/01_variables/variables2.rs b/solutions/01_variables/variables2.rs
index 70b786d..4e18198 100644
--- a/solutions/01_variables/variables2.rs
+++ b/solutions/01_variables/variables2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/01_variables/variables3.rs b/solutions/01_variables/variables3.rs
index 70b786d..4e18198 100644
--- a/solutions/01_variables/variables3.rs
+++ b/solutions/01_variables/variables3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/01_variables/variables4.rs b/solutions/01_variables/variables4.rs
index 70b786d..4e18198 100644
--- a/solutions/01_variables/variables4.rs
+++ b/solutions/01_variables/variables4.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/01_variables/variables5.rs b/solutions/01_variables/variables5.rs
index 70b786d..4e18198 100644
--- a/solutions/01_variables/variables5.rs
+++ b/solutions/01_variables/variables5.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/01_variables/variables6.rs b/solutions/01_variables/variables6.rs
index 70b786d..4e18198 100644
--- a/solutions/01_variables/variables6.rs
+++ b/solutions/01_variables/variables6.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/02_functions/functions1.rs b/solutions/02_functions/functions1.rs
index 70b786d..4e18198 100644
--- a/solutions/02_functions/functions1.rs
+++ b/solutions/02_functions/functions1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/02_functions/functions2.rs b/solutions/02_functions/functions2.rs
index 70b786d..4e18198 100644
--- a/solutions/02_functions/functions2.rs
+++ b/solutions/02_functions/functions2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/02_functions/functions3.rs b/solutions/02_functions/functions3.rs
index 70b786d..4e18198 100644
--- a/solutions/02_functions/functions3.rs
+++ b/solutions/02_functions/functions3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/02_functions/functions4.rs b/solutions/02_functions/functions4.rs
index 70b786d..4e18198 100644
--- a/solutions/02_functions/functions4.rs
+++ b/solutions/02_functions/functions4.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/02_functions/functions5.rs b/solutions/02_functions/functions5.rs
index 70b786d..4e18198 100644
--- a/solutions/02_functions/functions5.rs
+++ b/solutions/02_functions/functions5.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/03_if/if1.rs b/solutions/03_if/if1.rs
index 70b786d..4e18198 100644
--- a/solutions/03_if/if1.rs
+++ b/solutions/03_if/if1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/03_if/if2.rs b/solutions/03_if/if2.rs
index 70b786d..4e18198 100644
--- a/solutions/03_if/if2.rs
+++ b/solutions/03_if/if2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/03_if/if3.rs b/solutions/03_if/if3.rs
index 70b786d..4e18198 100644
--- a/solutions/03_if/if3.rs
+++ b/solutions/03_if/if3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/04_primitive_types/primitive_types1.rs b/solutions/04_primitive_types/primitive_types1.rs
index 70b786d..4e18198 100644
--- a/solutions/04_primitive_types/primitive_types1.rs
+++ b/solutions/04_primitive_types/primitive_types1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/04_primitive_types/primitive_types2.rs b/solutions/04_primitive_types/primitive_types2.rs
index 70b786d..4e18198 100644
--- a/solutions/04_primitive_types/primitive_types2.rs
+++ b/solutions/04_primitive_types/primitive_types2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/04_primitive_types/primitive_types3.rs b/solutions/04_primitive_types/primitive_types3.rs
index 70b786d..4e18198 100644
--- a/solutions/04_primitive_types/primitive_types3.rs
+++ b/solutions/04_primitive_types/primitive_types3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/04_primitive_types/primitive_types4.rs b/solutions/04_primitive_types/primitive_types4.rs
index 70b786d..4e18198 100644
--- a/solutions/04_primitive_types/primitive_types4.rs
+++ b/solutions/04_primitive_types/primitive_types4.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/04_primitive_types/primitive_types5.rs b/solutions/04_primitive_types/primitive_types5.rs
index 70b786d..4e18198 100644
--- a/solutions/04_primitive_types/primitive_types5.rs
+++ b/solutions/04_primitive_types/primitive_types5.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/04_primitive_types/primitive_types6.rs b/solutions/04_primitive_types/primitive_types6.rs
index 70b786d..4e18198 100644
--- a/solutions/04_primitive_types/primitive_types6.rs
+++ b/solutions/04_primitive_types/primitive_types6.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/05_vecs/vecs1.rs b/solutions/05_vecs/vecs1.rs
index 70b786d..4e18198 100644
--- a/solutions/05_vecs/vecs1.rs
+++ b/solutions/05_vecs/vecs1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/05_vecs/vecs2.rs b/solutions/05_vecs/vecs2.rs
index 70b786d..4e18198 100644
--- a/solutions/05_vecs/vecs2.rs
+++ b/solutions/05_vecs/vecs2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/06_move_semantics/move_semantics1.rs b/solutions/06_move_semantics/move_semantics1.rs
index 70b786d..4e18198 100644
--- a/solutions/06_move_semantics/move_semantics1.rs
+++ b/solutions/06_move_semantics/move_semantics1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/06_move_semantics/move_semantics2.rs b/solutions/06_move_semantics/move_semantics2.rs
index 70b786d..4e18198 100644
--- a/solutions/06_move_semantics/move_semantics2.rs
+++ b/solutions/06_move_semantics/move_semantics2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/06_move_semantics/move_semantics3.rs b/solutions/06_move_semantics/move_semantics3.rs
index 70b786d..4e18198 100644
--- a/solutions/06_move_semantics/move_semantics3.rs
+++ b/solutions/06_move_semantics/move_semantics3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/06_move_semantics/move_semantics4.rs b/solutions/06_move_semantics/move_semantics4.rs
index 70b786d..4e18198 100644
--- a/solutions/06_move_semantics/move_semantics4.rs
+++ b/solutions/06_move_semantics/move_semantics4.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/06_move_semantics/move_semantics5.rs b/solutions/06_move_semantics/move_semantics5.rs
index 70b786d..4e18198 100644
--- a/solutions/06_move_semantics/move_semantics5.rs
+++ b/solutions/06_move_semantics/move_semantics5.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/06_move_semantics/move_semantics6.rs b/solutions/06_move_semantics/move_semantics6.rs
index 70b786d..4e18198 100644
--- a/solutions/06_move_semantics/move_semantics6.rs
+++ b/solutions/06_move_semantics/move_semantics6.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/07_structs/structs1.rs b/solutions/07_structs/structs1.rs
index 70b786d..4e18198 100644
--- a/solutions/07_structs/structs1.rs
+++ b/solutions/07_structs/structs1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/07_structs/structs2.rs b/solutions/07_structs/structs2.rs
index 70b786d..4e18198 100644
--- a/solutions/07_structs/structs2.rs
+++ b/solutions/07_structs/structs2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/07_structs/structs3.rs b/solutions/07_structs/structs3.rs
index 70b786d..4e18198 100644
--- a/solutions/07_structs/structs3.rs
+++ b/solutions/07_structs/structs3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/08_enums/enums1.rs b/solutions/08_enums/enums1.rs
index 70b786d..4e18198 100644
--- a/solutions/08_enums/enums1.rs
+++ b/solutions/08_enums/enums1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/08_enums/enums2.rs b/solutions/08_enums/enums2.rs
index 70b786d..4e18198 100644
--- a/solutions/08_enums/enums2.rs
+++ b/solutions/08_enums/enums2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/08_enums/enums3.rs b/solutions/08_enums/enums3.rs
index 70b786d..4e18198 100644
--- a/solutions/08_enums/enums3.rs
+++ b/solutions/08_enums/enums3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/09_strings/strings1.rs b/solutions/09_strings/strings1.rs
index 70b786d..4e18198 100644
--- a/solutions/09_strings/strings1.rs
+++ b/solutions/09_strings/strings1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/09_strings/strings2.rs b/solutions/09_strings/strings2.rs
index 70b786d..4e18198 100644
--- a/solutions/09_strings/strings2.rs
+++ b/solutions/09_strings/strings2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/09_strings/strings3.rs b/solutions/09_strings/strings3.rs
index 70b786d..4e18198 100644
--- a/solutions/09_strings/strings3.rs
+++ b/solutions/09_strings/strings3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/09_strings/strings4.rs b/solutions/09_strings/strings4.rs
index 70b786d..4e18198 100644
--- a/solutions/09_strings/strings4.rs
+++ b/solutions/09_strings/strings4.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/10_modules/modules1.rs b/solutions/10_modules/modules1.rs
index 70b786d..4e18198 100644
--- a/solutions/10_modules/modules1.rs
+++ b/solutions/10_modules/modules1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/10_modules/modules2.rs b/solutions/10_modules/modules2.rs
index 70b786d..4e18198 100644
--- a/solutions/10_modules/modules2.rs
+++ b/solutions/10_modules/modules2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/10_modules/modules3.rs b/solutions/10_modules/modules3.rs
index 70b786d..4e18198 100644
--- a/solutions/10_modules/modules3.rs
+++ b/solutions/10_modules/modules3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/11_hashmaps/hashmaps1.rs b/solutions/11_hashmaps/hashmaps1.rs
index 70b786d..4e18198 100644
--- a/solutions/11_hashmaps/hashmaps1.rs
+++ b/solutions/11_hashmaps/hashmaps1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/11_hashmaps/hashmaps2.rs b/solutions/11_hashmaps/hashmaps2.rs
index 70b786d..4e18198 100644
--- a/solutions/11_hashmaps/hashmaps2.rs
+++ b/solutions/11_hashmaps/hashmaps2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/11_hashmaps/hashmaps3.rs b/solutions/11_hashmaps/hashmaps3.rs
index 70b786d..4e18198 100644
--- a/solutions/11_hashmaps/hashmaps3.rs
+++ b/solutions/11_hashmaps/hashmaps3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/12_options/options1.rs b/solutions/12_options/options1.rs
index 70b786d..4e18198 100644
--- a/solutions/12_options/options1.rs
+++ b/solutions/12_options/options1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/12_options/options2.rs b/solutions/12_options/options2.rs
index 70b786d..4e18198 100644
--- a/solutions/12_options/options2.rs
+++ b/solutions/12_options/options2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/12_options/options3.rs b/solutions/12_options/options3.rs
index 70b786d..4e18198 100644
--- a/solutions/12_options/options3.rs
+++ b/solutions/12_options/options3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/13_error_handling/errors1.rs b/solutions/13_error_handling/errors1.rs
index 70b786d..4e18198 100644
--- a/solutions/13_error_handling/errors1.rs
+++ b/solutions/13_error_handling/errors1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/13_error_handling/errors2.rs b/solutions/13_error_handling/errors2.rs
index 70b786d..4e18198 100644
--- a/solutions/13_error_handling/errors2.rs
+++ b/solutions/13_error_handling/errors2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/13_error_handling/errors3.rs b/solutions/13_error_handling/errors3.rs
index 70b786d..4e18198 100644
--- a/solutions/13_error_handling/errors3.rs
+++ b/solutions/13_error_handling/errors3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/13_error_handling/errors4.rs b/solutions/13_error_handling/errors4.rs
index 70b786d..4e18198 100644
--- a/solutions/13_error_handling/errors4.rs
+++ b/solutions/13_error_handling/errors4.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/13_error_handling/errors5.rs b/solutions/13_error_handling/errors5.rs
index 70b786d..4e18198 100644
--- a/solutions/13_error_handling/errors5.rs
+++ b/solutions/13_error_handling/errors5.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/13_error_handling/errors6.rs b/solutions/13_error_handling/errors6.rs
index 70b786d..4e18198 100644
--- a/solutions/13_error_handling/errors6.rs
+++ b/solutions/13_error_handling/errors6.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/14_generics/generics1.rs b/solutions/14_generics/generics1.rs
index 70b786d..4e18198 100644
--- a/solutions/14_generics/generics1.rs
+++ b/solutions/14_generics/generics1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/14_generics/generics2.rs b/solutions/14_generics/generics2.rs
index 70b786d..4e18198 100644
--- a/solutions/14_generics/generics2.rs
+++ b/solutions/14_generics/generics2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/15_traits/traits1.rs b/solutions/15_traits/traits1.rs
index 70b786d..4e18198 100644
--- a/solutions/15_traits/traits1.rs
+++ b/solutions/15_traits/traits1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/15_traits/traits2.rs b/solutions/15_traits/traits2.rs
index 70b786d..4e18198 100644
--- a/solutions/15_traits/traits2.rs
+++ b/solutions/15_traits/traits2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/15_traits/traits3.rs b/solutions/15_traits/traits3.rs
index 70b786d..4e18198 100644
--- a/solutions/15_traits/traits3.rs
+++ b/solutions/15_traits/traits3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/15_traits/traits4.rs b/solutions/15_traits/traits4.rs
index 70b786d..4e18198 100644
--- a/solutions/15_traits/traits4.rs
+++ b/solutions/15_traits/traits4.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/15_traits/traits5.rs b/solutions/15_traits/traits5.rs
index 70b786d..4e18198 100644
--- a/solutions/15_traits/traits5.rs
+++ b/solutions/15_traits/traits5.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/16_lifetimes/lifetimes1.rs b/solutions/16_lifetimes/lifetimes1.rs
index 70b786d..4e18198 100644
--- a/solutions/16_lifetimes/lifetimes1.rs
+++ b/solutions/16_lifetimes/lifetimes1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/16_lifetimes/lifetimes2.rs b/solutions/16_lifetimes/lifetimes2.rs
index 70b786d..4e18198 100644
--- a/solutions/16_lifetimes/lifetimes2.rs
+++ b/solutions/16_lifetimes/lifetimes2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/16_lifetimes/lifetimes3.rs b/solutions/16_lifetimes/lifetimes3.rs
index 70b786d..4e18198 100644
--- a/solutions/16_lifetimes/lifetimes3.rs
+++ b/solutions/16_lifetimes/lifetimes3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/17_tests/tests1.rs b/solutions/17_tests/tests1.rs
index 70b786d..4e18198 100644
--- a/solutions/17_tests/tests1.rs
+++ b/solutions/17_tests/tests1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/17_tests/tests2.rs b/solutions/17_tests/tests2.rs
index 70b786d..4e18198 100644
--- a/solutions/17_tests/tests2.rs
+++ b/solutions/17_tests/tests2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/17_tests/tests3.rs b/solutions/17_tests/tests3.rs
index 70b786d..4e18198 100644
--- a/solutions/17_tests/tests3.rs
+++ b/solutions/17_tests/tests3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/17_tests/tests4.rs b/solutions/17_tests/tests4.rs
index 70b786d..4e18198 100644
--- a/solutions/17_tests/tests4.rs
+++ b/solutions/17_tests/tests4.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/18_iterators/iterators1.rs b/solutions/18_iterators/iterators1.rs
index 70b786d..4e18198 100644
--- a/solutions/18_iterators/iterators1.rs
+++ b/solutions/18_iterators/iterators1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/18_iterators/iterators2.rs b/solutions/18_iterators/iterators2.rs
index 70b786d..4e18198 100644
--- a/solutions/18_iterators/iterators2.rs
+++ b/solutions/18_iterators/iterators2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/18_iterators/iterators3.rs b/solutions/18_iterators/iterators3.rs
index 70b786d..4e18198 100644
--- a/solutions/18_iterators/iterators3.rs
+++ b/solutions/18_iterators/iterators3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/18_iterators/iterators4.rs b/solutions/18_iterators/iterators4.rs
index 70b786d..4e18198 100644
--- a/solutions/18_iterators/iterators4.rs
+++ b/solutions/18_iterators/iterators4.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/18_iterators/iterators5.rs b/solutions/18_iterators/iterators5.rs
index 70b786d..4e18198 100644
--- a/solutions/18_iterators/iterators5.rs
+++ b/solutions/18_iterators/iterators5.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/19_smart_pointers/arc1.rs b/solutions/19_smart_pointers/arc1.rs
index 70b786d..4e18198 100644
--- a/solutions/19_smart_pointers/arc1.rs
+++ b/solutions/19_smart_pointers/arc1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/19_smart_pointers/box1.rs b/solutions/19_smart_pointers/box1.rs
index 70b786d..4e18198 100644
--- a/solutions/19_smart_pointers/box1.rs
+++ b/solutions/19_smart_pointers/box1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/19_smart_pointers/cow1.rs b/solutions/19_smart_pointers/cow1.rs
index 70b786d..4e18198 100644
--- a/solutions/19_smart_pointers/cow1.rs
+++ b/solutions/19_smart_pointers/cow1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/19_smart_pointers/rc1.rs b/solutions/19_smart_pointers/rc1.rs
index 70b786d..4e18198 100644
--- a/solutions/19_smart_pointers/rc1.rs
+++ b/solutions/19_smart_pointers/rc1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/20_threads/threads1.rs b/solutions/20_threads/threads1.rs
index 70b786d..4e18198 100644
--- a/solutions/20_threads/threads1.rs
+++ b/solutions/20_threads/threads1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/20_threads/threads2.rs b/solutions/20_threads/threads2.rs
index 70b786d..4e18198 100644
--- a/solutions/20_threads/threads2.rs
+++ b/solutions/20_threads/threads2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/20_threads/threads3.rs b/solutions/20_threads/threads3.rs
index 70b786d..4e18198 100644
--- a/solutions/20_threads/threads3.rs
+++ b/solutions/20_threads/threads3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/21_macros/macros1.rs b/solutions/21_macros/macros1.rs
index 70b786d..4e18198 100644
--- a/solutions/21_macros/macros1.rs
+++ b/solutions/21_macros/macros1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/21_macros/macros2.rs b/solutions/21_macros/macros2.rs
index 70b786d..4e18198 100644
--- a/solutions/21_macros/macros2.rs
+++ b/solutions/21_macros/macros2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/21_macros/macros3.rs b/solutions/21_macros/macros3.rs
index 70b786d..4e18198 100644
--- a/solutions/21_macros/macros3.rs
+++ b/solutions/21_macros/macros3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/21_macros/macros4.rs b/solutions/21_macros/macros4.rs
index 70b786d..4e18198 100644
--- a/solutions/21_macros/macros4.rs
+++ b/solutions/21_macros/macros4.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/22_clippy/clippy1.rs b/solutions/22_clippy/clippy1.rs
index 70b786d..4e18198 100644
--- a/solutions/22_clippy/clippy1.rs
+++ b/solutions/22_clippy/clippy1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/22_clippy/clippy2.rs b/solutions/22_clippy/clippy2.rs
index 70b786d..4e18198 100644
--- a/solutions/22_clippy/clippy2.rs
+++ b/solutions/22_clippy/clippy2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/22_clippy/clippy3.rs b/solutions/22_clippy/clippy3.rs
index 70b786d..4e18198 100644
--- a/solutions/22_clippy/clippy3.rs
+++ b/solutions/22_clippy/clippy3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/23_conversions/as_ref_mut.rs b/solutions/23_conversions/as_ref_mut.rs
index 70b786d..4e18198 100644
--- a/solutions/23_conversions/as_ref_mut.rs
+++ b/solutions/23_conversions/as_ref_mut.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/23_conversions/from_into.rs b/solutions/23_conversions/from_into.rs
index 70b786d..4e18198 100644
--- a/solutions/23_conversions/from_into.rs
+++ b/solutions/23_conversions/from_into.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/23_conversions/from_str.rs b/solutions/23_conversions/from_str.rs
index 70b786d..4e18198 100644
--- a/solutions/23_conversions/from_str.rs
+++ b/solutions/23_conversions/from_str.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/23_conversions/try_from_into.rs b/solutions/23_conversions/try_from_into.rs
index 70b786d..4e18198 100644
--- a/solutions/23_conversions/try_from_into.rs
+++ b/solutions/23_conversions/try_from_into.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/23_conversions/using_as.rs b/solutions/23_conversions/using_as.rs
index 70b786d..4e18198 100644
--- a/solutions/23_conversions/using_as.rs
+++ b/solutions/23_conversions/using_as.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/quizzes/quiz1.rs b/solutions/quizzes/quiz1.rs
index 70b786d..4e18198 100644
--- a/solutions/quizzes/quiz1.rs
+++ b/solutions/quizzes/quiz1.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/quizzes/quiz2.rs b/solutions/quizzes/quiz2.rs
index 70b786d..4e18198 100644
--- a/solutions/quizzes/quiz2.rs
+++ b/solutions/quizzes/quiz2.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
diff --git a/solutions/quizzes/quiz3.rs b/solutions/quizzes/quiz3.rs
index 70b786d..4e18198 100644
--- a/solutions/quizzes/quiz3.rs
+++ b/solutions/quizzes/quiz3.rs
@@ -1 +1 @@
-// TODO
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
-- 
cgit v1.2.3


From c8ad6c3960b4bec44a610cc144e6b635bffcbc31 Mon Sep 17 00:00:00 2001
From: mo8it <mo8it@proton.me>
Date: Wed, 22 May 2024 15:04:21 +0200
Subject: if1 solution

---
 rustlings-macros/info.toml |  4 ++--
 solutions/03_if/if1.rs     | 33 ++++++++++++++++++++++++++++++++-
 2 files changed, 34 insertions(+), 3 deletions(-)

(limited to 'solutions/03_if')

diff --git a/rustlings-macros/info.toml b/rustlings-macros/info.toml
index 495e9c3..a67e38d 100644
--- a/rustlings-macros/info.toml
+++ b/rustlings-macros/info.toml
@@ -200,9 +200,9 @@ Some similar examples from other languages:
 - In Python this would be:  `a if a > b else b`
 
 Remember in Rust that:
-- the `if` condition does not need to be surrounded by parentheses
+- The `if` condition does not need to be surrounded by parentheses
 - `if`/`else` conditionals are expressions
-- Each condition is followed by a `{}` block."""
+- Each condition is followed by a `{}` block"""
 
 [[exercises]]
 name = "if2"
diff --git a/solutions/03_if/if1.rs b/solutions/03_if/if1.rs
index 4e18198..079c671 100644
--- a/solutions/03_if/if1.rs
+++ b/solutions/03_if/if1.rs
@@ -1 +1,32 @@
-// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
+fn bigger(a: i32, b: i32) -> i32 {
+    if a > b {
+        a
+    } else {
+        b
+    }
+}
+
+fn main() {
+    // You can optionally experiment here.
+}
+
+// Don't mind this for now :)
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn ten_is_bigger_than_eight() {
+        assert_eq!(10, bigger(10, 8));
+    }
+
+    #[test]
+    fn fortytwo_is_bigger_than_thirtytwo() {
+        assert_eq!(42, bigger(32, 42));
+    }
+
+    #[test]
+    fn equal_numbers() {
+        assert_eq!(42, bigger(42, 42));
+    }
+}
-- 
cgit v1.2.3


From eafb157d60ee46e95e2b54ec75b33180a838b0c5 Mon Sep 17 00:00:00 2001
From: mo8it <mo8it@proton.me>
Date: Wed, 22 May 2024 15:16:50 +0200
Subject: if2 solution

---
 exercises/03_if/if2.rs     |  8 ++++----
 rustlings-macros/info.toml |  6 ++++--
 solutions/03_if/if2.rs     | 34 +++++++++++++++++++++++++++++++++-
 3 files changed, 41 insertions(+), 7 deletions(-)

(limited to 'solutions/03_if')

diff --git a/exercises/03_if/if2.rs b/exercises/03_if/if2.rs
index 1b65596..593a77a 100644
--- a/exercises/03_if/if2.rs
+++ b/exercises/03_if/if2.rs
@@ -1,6 +1,4 @@
-// Step 1: Make me compile!
-// Step 2: Get the bar_for_fuzz and default_to_baz tests passing!
-
+// TODO: Fix the compiler error on this function.
 fn foo_if_fizz(fizzish: &str) -> &str {
     if fizzish == "fizz" {
         "foo"
@@ -13,13 +11,15 @@ fn main() {
     // You can optionally experiment here.
 }
 
-// No test changes needed!
+// TODO: Read the tests to understand the desired behavior.
+// Make all tests pass without changing them.
 #[cfg(test)]
 mod tests {
     use super::*;
 
     #[test]
     fn foo_for_fizz() {
+        // This means that calling `foo_if_fizz` with the argument "fizz" should return "foo".
         assert_eq!(foo_if_fizz("fizz"), "foo");
     }
 
diff --git a/rustlings-macros/info.toml b/rustlings-macros/info.toml
index a67e38d..39fc5c4 100644
--- a/rustlings-macros/info.toml
+++ b/rustlings-macros/info.toml
@@ -209,8 +209,10 @@ name = "if2"
 dir = "03_if"
 hint = """
 For that first compiler error, it's important in Rust that each conditional
-block returns the same type! To get the tests passing, you will need a couple
-conditions checking different input values."""
+block returns the same type!
+
+To get the tests passing, you will need a couple conditions checking different
+input values. Read the tests to find out what they expect."""
 
 [[exercises]]
 name = "if3"
diff --git a/solutions/03_if/if2.rs b/solutions/03_if/if2.rs
index 4e18198..440bba0 100644
--- a/solutions/03_if/if2.rs
+++ b/solutions/03_if/if2.rs
@@ -1 +1,33 @@
-// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
+fn foo_if_fizz(fizzish: &str) -> &str {
+    if fizzish == "fizz" {
+        "foo"
+    } else if fizzish == "fuzz" {
+        "bar"
+    } else {
+        "baz"
+    }
+}
+
+fn main() {
+    // You can optionally experiment here.
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn foo_for_fizz() {
+        assert_eq!(foo_if_fizz("fizz"), "foo");
+    }
+
+    #[test]
+    fn bar_for_fuzz() {
+        assert_eq!(foo_if_fizz("fuzz"), "bar");
+    }
+
+    #[test]
+    fn default_to_baz() {
+        assert_eq!(foo_if_fizz("literally anything"), "baz");
+    }
+}
-- 
cgit v1.2.3


From 73e84f83791f00ef8ccfe438bc018d2c0a9b21fe Mon Sep 17 00:00:00 2001
From: mo8it <mo8it@proton.me>
Date: Wed, 22 May 2024 15:54:35 +0200
Subject: if3 solution

---
 exercises/03_if/if3.rs | 21 ++++++++++----------
 solutions/03_if/if3.rs | 54 +++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 63 insertions(+), 12 deletions(-)

(limited to 'solutions/03_if')

diff --git a/exercises/03_if/if3.rs b/exercises/03_if/if3.rs
index d3e4b06..89164eb 100644
--- a/exercises/03_if/if3.rs
+++ b/exercises/03_if/if3.rs
@@ -1,4 +1,5 @@
-fn animal_habitat(animal: &str) -> &'static str {
+fn animal_habitat(animal: &str) -> &str {
+    // TODO: Fix the compiler error in the statement below.
     let identifier = if animal == "crab" {
         1
     } else if animal == "gopher" {
@@ -9,8 +10,8 @@ fn animal_habitat(animal: &str) -> &'static str {
         "Unknown"
     };
 
-    // DO NOT CHANGE THIS STATEMENT BELOW
-    let habitat = if identifier == 1 {
+    // Don't change the expression below!
+    if identifier == 1 {
         "Beach"
     } else if identifier == 2 {
         "Burrow"
@@ -18,37 +19,35 @@ fn animal_habitat(animal: &str) -> &'static str {
         "Desert"
     } else {
         "Unknown"
-    };
-
-    habitat
+    }
 }
 
 fn main() {
     // You can optionally experiment here.
 }
 
-// No test changes needed.
+// Don't change the tests!
 #[cfg(test)]
 mod tests {
     use super::*;
 
     #[test]
     fn gopher_lives_in_burrow() {
-        assert_eq!(animal_habitat("gopher"), "Burrow");
+        assert_eq!(animal_habitat("gopher"), "Burrow")
     }
 
     #[test]
     fn snake_lives_in_desert() {
-        assert_eq!(animal_habitat("snake"), "Desert");
+        assert_eq!(animal_habitat("snake"), "Desert")
     }
 
     #[test]
     fn crab_lives_on_beach() {
-        assert_eq!(animal_habitat("crab"), "Beach");
+        assert_eq!(animal_habitat("crab"), "Beach")
     }
 
     #[test]
     fn unknown_animal() {
-        assert_eq!(animal_habitat("dinosaur"), "Unknown");
+        assert_eq!(animal_habitat("dinosaur"), "Unknown")
     }
 }
diff --git a/solutions/03_if/if3.rs b/solutions/03_if/if3.rs
index 4e18198..571644d 100644
--- a/solutions/03_if/if3.rs
+++ b/solutions/03_if/if3.rs
@@ -1 +1,53 @@
-// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
+fn animal_habitat(animal: &str) -> &str {
+    let identifier = if animal == "crab" {
+        1
+    } else if animal == "gopher" {
+        2
+    } else if animal == "snake" {
+        3
+    } else {
+        // Any unused identifier.
+        4
+    };
+
+    // Instead of such an identifier, you would use an enum in Rust.
+    // But we didn't get into enums yet.
+    if identifier == 1 {
+        "Beach"
+    } else if identifier == 2 {
+        "Burrow"
+    } else if identifier == 3 {
+        "Desert"
+    } else {
+        "Unknown"
+    }
+}
+
+fn main() {
+    // You can optionally experiment here.
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn gopher_lives_in_burrow() {
+        assert_eq!(animal_habitat("gopher"), "Burrow")
+    }
+
+    #[test]
+    fn snake_lives_in_desert() {
+        assert_eq!(animal_habitat("snake"), "Desert")
+    }
+
+    #[test]
+    fn crab_lives_on_beach() {
+        assert_eq!(animal_habitat("crab"), "Beach")
+    }
+
+    #[test]
+    fn unknown_animal() {
+        assert_eq!(animal_habitat("dinosaur"), "Unknown")
+    }
+}
-- 
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