Merge pull request #733 from apogeeoak/intro

feat(intro): Proposal to add successfully compiling exercise as the first exercise.

5 files changed, 58 insertions, 6 deletions

diff --git a/exercises/intro/README.md b/exercises/intro/README.md
new file mode 100644
index 0000000..d32e4a8
--- /dev/null
+++ b/exercises/intro/README.md
@@ -0,0 +1,8 @@
+# Intro
+
+Rust uses the `print!` and `println!` macros to print text to the console.
+
+## Further information
+
+- [Hello World](https://doc.rust-lang.org/rust-by-example/hello.html)
+- [Formatted print](https://doc.rust-lang.org/rust-by-example/hello/print.html)
diff --git a/exercises/intro/intro1.rs b/exercises/intro/intro1.rs
new file mode 100644
index 0000000..1c4582d
--- /dev/null
+++ b/exercises/intro/intro1.rs
@@ -0,0 +1,23 @@
+// intro1.rs
+// About this `I AM NOT DONE` thing:
+// We sometimes encourage you to keep trying things on a given exercise, even
+// after you already figured it out. If you got everything working and feel
+// ready for the next exercise, remove the `I AM NOT DONE` comment below.
+// Execute the command `rustlings hint intro1` for a hint.
+
+// I AM NOT DONE
+
+fn main() {
+    println!("Hello and");
+    println!(r#"       welcome to...                      "#);
+    println!(r#"                 _   _ _                  "#);
+    println!(r#"  _ __ _   _ ___| |_| (_)_ __   __ _ ___  "#);
+    println!(r#" | '__| | | / __| __| | | '_ \ / _` / __| "#);
+    println!(r#" | |  | |_| \__ \ |_| | | | | | (_| \__ \ "#);
+    println!(r#" |_|   \__,_|___/\__|_|_|_| |_|\__, |___/ "#);
+    println!(r#"                               |___/      "#);
+    println!();
+    println!("This exercise compiles successfully. The remaining exercises contain a compiler");
+    println!("or logic error. The central concept behind Rustlings is to fix these errors and");
+    println!("solve the exercises. Good luck!");
+}
diff --git a/exercises/intro/intro2.rs b/exercises/intro/intro2.rs
new file mode 100644
index 0000000..97a073f
--- /dev/null
+++ b/exercises/intro/intro2.rs
@@ -0,0 +1,9 @@
+// intro2.rs
+// Make the code print a greeting to the world.
+// Execute `rustlings hint intro2` for a hint.
+
+// I AM NOT DONE
+
+fn main() {
+    println!("Hello {}!");
+}
diff --git a/exercises/variables/variables1.rs b/exercises/variables/variables1.rs
index 4a3af73..d1af831 100644
--- a/exercises/variables/variables1.rs
+++ b/exercises/variables/variables1.rs
@@ -1,10 +1,6 @@
 // variables1.rs
-// Make me compile! Execute the command `rustlings hint variables1` if you want a hint :)
-
-// About this `I AM NOT DONE` thing:
-// We sometimes encourage you to keep trying things on a given exercise,
-// even after you already figured it out. If you got everything working and
-// feel ready for the next exercise, remove the `I AM NOT DONE` comment below.
+// Make me compile!
+// Execute the command `rustlings hint variables1` if you want a hint :)
 
 // I AM NOT DONE
 
diff --git a/info.toml b/info.toml
index 0c03def..fbe0d53 100644
--- a/info.toml
+++ b/info.toml
@@ -1,3 +1,19 @@
+# INTRO
+
+[[exercises]]
+name = "intro1"
+path = "exercises/intro/intro1.rs"
+mode = "compile"
+hint = """
+Remove the I AM NOT DONE comment to move on to the next exercise."""
+
+[[exercises]]
+name = "intro2"
+path = "exercises/intro/intro2.rs"
+mode = "compile"
+hint = """
+Add an argument after the format string."""
+
 # VARIABLES
 
 [[exercises]]