diff options
Diffstat (limited to 'exercises/strings')
| -rw-r--r-- | exercises/strings/strings1.rs | 38 | ||||
| -rw-r--r-- | exercises/strings/strings2.rs | 32 |
2 files changed, 4 insertions, 66 deletions
diff --git a/exercises/strings/strings1.rs b/exercises/strings/strings1.rs index 2e5088f..0faf86e 100644 --- a/exercises/strings/strings1.rs +++ b/exercises/strings/strings1.rs @@ -1,5 +1,6 @@ // strings1.rs -// Make me compile without changing the function signature! Scroll down for hints :) +// Make me compile without changing the function signature! +// Execute `rustlings hint strings1` for hints ;) fn main() { let answer = current_favorite_color(); @@ -9,38 +10,3 @@ fn main() { fn current_favorite_color() -> String { "blue" } - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -// The `current_favorite_color` function is currently returning a string slice with the `'static` -// lifetime. We know this because the data of the string lives in our code itself -- it doesn't -// come from a file or user input or another program -- so it will live as long as our program -// lives. But it is still a string slice. There's one way to create a `String` by converting a -// string slice covered in the Strings chapter of the book, and another way that uses the `From` -// trait. diff --git a/exercises/strings/strings2.rs b/exercises/strings/strings2.rs index c77e16f..bd0f35c 100644 --- a/exercises/strings/strings2.rs +++ b/exercises/strings/strings2.rs @@ -1,5 +1,6 @@ // strings2.rs -// Make me compile without changing the function signature! Scroll down for hints :) +// Make me compile without changing the function signature! +// Execute `rustlings hint strings2` for hints :) fn main() { let word = String::from("green"); // Try not changing this line :) @@ -13,32 +14,3 @@ fn main() { fn is_a_color_word(attempt: &str) -> bool { attempt == "green" || attempt == "blue" || attempt == "red" } - - - - - - - - - - - - - - - - - - - - - - - - - - -// Yes, it would be really easy to fix this by just changing the value bound to `word` to be a -// string slice instead of a `String`, wouldn't it?? There is a way to add one character to line -// 6, though, that will coerce the `String` into a string slice. |
