diff options
Diffstat (limited to 'exercises')
30 files changed, 139 insertions, 20 deletions
diff --git a/exercises/advanced_errors/mod.rs b/exercises/advanced_errors/mod.rs new file mode 100644 index 0000000..e33fb80 --- /dev/null +++ b/exercises/advanced_errors/mod.rs @@ -0,0 +1,2 @@ +mod advanced_errs1; +mod advanced_errs2; diff --git a/exercises/clippy/mod.rs b/exercises/clippy/mod.rs new file mode 100644 index 0000000..689dc95 --- /dev/null +++ b/exercises/clippy/mod.rs @@ -0,0 +1,2 @@ +mod clippy1; +mod clippy2; diff --git a/exercises/collections/mod.rs b/exercises/collections/mod.rs new file mode 100644 index 0000000..f46c142 --- /dev/null +++ b/exercises/collections/mod.rs @@ -0,0 +1,4 @@ +mod hashmap1; +mod hashmap2; +mod vec1; +mod vec2; diff --git a/exercises/conversions/mod.rs b/exercises/conversions/mod.rs new file mode 100644 index 0000000..69f66ae --- /dev/null +++ b/exercises/conversions/mod.rs @@ -0,0 +1,5 @@ +mod as_ref_mut; +mod from_into; +mod from_str; +mod try_from_into; +mod using_as; diff --git a/exercises/conversions/using_as.rs b/exercises/conversions/using_as.rs index 821309e..f3f745f 100644 --- a/exercises/conversions/using_as.rs +++ b/exercises/conversions/using_as.rs @@ -8,7 +8,7 @@ // I AM NOT DONE fn average(values: &[f64]) -> f64 { - let total = values.iter().fold(0.0, |a, b| a + b); + let total = values.iter().sum::<f64>(); total / values.len() } diff --git a/exercises/enums/mod.rs b/exercises/enums/mod.rs new file mode 100644 index 0000000..a23fd6e --- /dev/null +++ b/exercises/enums/mod.rs @@ -0,0 +1,3 @@ +mod enums1; +mod enums2; +mod enums3; diff --git a/exercises/error_handling/errors1.rs b/exercises/error_handling/errors1.rs index 5844a49..c417fb2 100644 --- a/exercises/error_handling/errors1.rs +++ b/exercises/error_handling/errors1.rs @@ -1,9 +1,8 @@ // errors1.rs // This function refuses to generate text to be printed on a nametag if // you pass it an empty string. It'd be nicer if it explained what the problem -// was, instead of just sometimes returning `None`. The 2nd test currently -// does not compile or pass, but it illustrates the behavior we would like -// this function to have. +// was, instead of just sometimes returning `None`. Thankfully, Rust has a similar +// construct to `Option` that can be used to express error conditions. Let's use it! // Execute `rustlings hint errors1` for hints! // I AM NOT DONE @@ -21,14 +20,11 @@ pub fn generate_nametag_text(name: String) -> Option<String> { mod tests { use super::*; - // This test passes initially if you comment out the 2nd test. - // You'll need to update what this test expects when you change - // the function under test! #[test] fn generates_nametag_text_for_a_nonempty_name() { assert_eq!( generate_nametag_text("Beyoncé".into()), - Some("Hi! My name is Beyoncé".into()) + Ok("Hi! My name is Beyoncé".into()) ); } diff --git a/exercises/error_handling/errors6.rs b/exercises/error_handling/errors6.rs index 0f6b27a..847a049 100644 --- a/exercises/error_handling/errors6.rs +++ b/exercises/error_handling/errors6.rs @@ -20,9 +20,6 @@ enum ParsePosNonzeroError { } impl ParsePosNonzeroError { - fn from_creation(err: CreationError) -> ParsePosNonzeroError { - ParsePosNonzeroError::Creation(err) - } // TODO: add another error conversion function here. } diff --git a/exercises/error_handling/mod.rs b/exercises/error_handling/mod.rs new file mode 100644 index 0000000..539fa23 --- /dev/null +++ b/exercises/error_handling/mod.rs @@ -0,0 +1,6 @@ +mod errors1; +mod errors2; +mod errors3; +mod errors4; +mod errors5; +mod errors6; diff --git a/exercises/functions/mod.rs b/exercises/functions/mod.rs new file mode 100644 index 0000000..445b6f5 --- /dev/null +++ b/exercises/functions/mod.rs @@ -0,0 +1,5 @@ +mod functions1; +mod functions2; +mod functions3; +mod functions4; +mod functions5; diff --git a/exercises/generics/mod.rs b/exercises/generics/mod.rs new file mode 100644 index 0000000..5b93555 --- /dev/null +++ b/exercises/generics/mod.rs @@ -0,0 +1,3 @@ +mod generics1; +mod generics2; +mod generics3; diff --git a/exercises/if/mod.rs b/exercises/if/mod.rs new file mode 100644 index 0000000..c5d0244 --- /dev/null +++ b/exercises/if/mod.rs @@ -0,0 +1,2 @@ +mod if1; +mod if2; diff --git a/exercises/intro/mod.rs b/exercises/intro/mod.rs new file mode 100644 index 0000000..445c47a --- /dev/null +++ b/exercises/intro/mod.rs @@ -0,0 +1,2 @@ +mod intro1; +mod intro2; diff --git a/exercises/macros/mod.rs b/exercises/macros/mod.rs new file mode 100644 index 0000000..9f65acf --- /dev/null +++ b/exercises/macros/mod.rs @@ -0,0 +1,4 @@ +mod macros1; +mod macros2; +mod macros3; +mod macros4; diff --git a/exercises/mod.rs b/exercises/mod.rs new file mode 100644 index 0000000..6a143b5 --- /dev/null +++ b/exercises/mod.rs @@ -0,0 +1,26 @@ +mod advanced_errors; +mod clippy; +mod collections; +mod conversions; +mod enums; +mod error_handling; +mod functions; +mod generics; +mod r#if; +mod intro; +mod macros; +mod modules; +mod move_semantics; +mod option; +mod primitive_types; +mod quiz1; +mod quiz2; +mod quiz3; +mod quiz4; +mod standard_library_types; +mod strings; +mod structs; +mod tests; +mod threads; +mod traits; +mod variables; diff --git a/exercises/modules/mod.rs b/exercises/modules/mod.rs new file mode 100644 index 0000000..35f96af --- /dev/null +++ b/exercises/modules/mod.rs @@ -0,0 +1,3 @@ +mod modules1; +mod modules2; +mod modules3; diff --git a/exercises/move_semantics/mod.rs b/exercises/move_semantics/mod.rs new file mode 100644 index 0000000..e8eecf0 --- /dev/null +++ b/exercises/move_semantics/mod.rs @@ -0,0 +1,6 @@ +mod move_semantics1; +mod move_semantics2; +mod move_semantics3; +mod move_semantics4; +mod move_semantics5; +mod move_semantics6; diff --git a/exercises/move_semantics/move_semantics2.rs b/exercises/move_semantics/move_semantics2.rs index bd21fbb..888dc52 100644 --- a/exercises/move_semantics/move_semantics2.rs +++ b/exercises/move_semantics/move_semantics2.rs @@ -1,5 +1,5 @@ // move_semantics2.rs -// Make me compile without changing line 13! +// Make me compile without changing line 13 or moving line 10! // Execute `rustlings hint move_semantics2` for hints :) // I AM NOT DONE diff --git a/exercises/move_semantics/move_semantics6.rs b/exercises/move_semantics/move_semantics6.rs new file mode 100644 index 0000000..457e7ae --- /dev/null +++ b/exercises/move_semantics/move_semantics6.rs @@ -0,0 +1,25 @@ +// move_semantics6.rs +// Make me compile! `rustlings hint move_semantics6` for hints +// You can't change anything except adding or removing references + +// I AM NOT DONE + +fn main() { + let data = "Rust is great!".to_string(); + + get_char(data); + + string_uppercase(&data); +} + +// Should not take ownership +fn get_char(data: String) -> char { + data.chars().last().unwrap() +} + +// Should take ownership +fn string_uppercase(mut data: &String) { + data = &data.to_uppercase(); + + println!("{}", data); +} diff --git a/exercises/option/mod.rs b/exercises/option/mod.rs new file mode 100644 index 0000000..b3cdb13 --- /dev/null +++ b/exercises/option/mod.rs @@ -0,0 +1,3 @@ +mod option1; +mod option2; +mod option3; diff --git a/exercises/primitive_types/mod.rs b/exercises/primitive_types/mod.rs new file mode 100644 index 0000000..2335523 --- /dev/null +++ b/exercises/primitive_types/mod.rs @@ -0,0 +1,6 @@ +mod primitive_types1; +mod primitive_types2; +mod primitive_types3; +mod primitive_types4; +mod primitive_types5; +mod primitive_types6; diff --git a/exercises/standard_library_types/arc1.rs b/exercises/standard_library_types/arc1.rs index d167380..f60061e 100644 --- a/exercises/standard_library_types/arc1.rs +++ b/exercises/standard_library_types/arc1.rs @@ -32,12 +32,7 @@ fn main() { for offset in 0..8 { let child_numbers = // TODO joinhandles.push(thread::spawn(move || { - let mut i = offset; - let mut sum = 0; - while i < child_numbers.len() { - sum += child_numbers[i]; - i += 8; - } + let sum: u32 = child_numbers.iter().filter(|n| *n % 8 == offset).sum(); println!("Sum of offset {} is {}", offset, sum); })); } diff --git a/exercises/standard_library_types/iterators1.rs b/exercises/standard_library_types/iterators1.rs index 4606ad3..5aa49b6 100644 --- a/exercises/standard_library_types/iterators1.rs +++ b/exercises/standard_library_types/iterators1.rs @@ -18,7 +18,7 @@ fn main () { assert_eq!(my_iterable_fav_fruits.next(), Some(&"banana")); assert_eq!(my_iterable_fav_fruits.next(), ???); // TODO: Step 2 assert_eq!(my_iterable_fav_fruits.next(), Some(&"avocado")); - assert_eq!(my_iterable_fav_fruits.next(), ???); // TODO: Step 2.1 - assert_eq!(my_iterable_fav_fruits.next(), Some(&"raspberry")); assert_eq!(my_iterable_fav_fruits.next(), ???); // TODO: Step 3 + assert_eq!(my_iterable_fav_fruits.next(), Some(&"raspberry")); + assert_eq!(my_iterable_fav_fruits.next(), ???); // TODO: Step 4 } diff --git a/exercises/standard_library_types/mod.rs b/exercises/standard_library_types/mod.rs new file mode 100644 index 0000000..b03acb9 --- /dev/null +++ b/exercises/standard_library_types/mod.rs @@ -0,0 +1,7 @@ +mod arc1; +mod box1; +mod iterators1; +mod iterators2; +mod iterators3; +mod iterators4; +mod iterators5; diff --git a/exercises/strings/mod.rs b/exercises/strings/mod.rs new file mode 100644 index 0000000..b1b460b --- /dev/null +++ b/exercises/strings/mod.rs @@ -0,0 +1,2 @@ +mod strings1; +mod strings2; diff --git a/exercises/structs/mod.rs b/exercises/structs/mod.rs new file mode 100644 index 0000000..214fed1 --- /dev/null +++ b/exercises/structs/mod.rs @@ -0,0 +1,3 @@ +mod structs1; +mod structs2; +mod structs3; diff --git a/exercises/tests/mod.rs b/exercises/tests/mod.rs new file mode 100644 index 0000000..489541b --- /dev/null +++ b/exercises/tests/mod.rs @@ -0,0 +1,3 @@ +mod tests1; +mod tests2; +mod tests3; diff --git a/exercises/threads/mod.rs b/exercises/threads/mod.rs new file mode 100644 index 0000000..24d5400 --- /dev/null +++ b/exercises/threads/mod.rs @@ -0,0 +1 @@ +mod threads1; diff --git a/exercises/traits/mod.rs b/exercises/traits/mod.rs new file mode 100644 index 0000000..6f0a9c3 --- /dev/null +++ b/exercises/traits/mod.rs @@ -0,0 +1,2 @@ +mod traits1; +mod traits2; diff --git a/exercises/variables/mod.rs b/exercises/variables/mod.rs new file mode 100644 index 0000000..a25f477 --- /dev/null +++ b/exercises/variables/mod.rs @@ -0,0 +1,6 @@ +mod variables1; +mod variables2; +mod variables3; +mod variables4; +mod variables5; +mod variables6; |