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| author | olivia <olivia@fastmail.com> | 2018-04-26 21:29:11 +0200 |
|---|---|---|
| committer | olivia <olivia@fastmail.com> | 2018-04-26 21:29:11 +0200 |
| commit | 5e89d1e888a8fafc39096afce36d02e313f349c2 (patch) | |
| tree | 97b13f8223012d1db88d510cd79ea0e49570d1f7 /old_curriculum/strings/strings1.rs | |
| parent | 32ac403da5c49b002ba420186d3122501196ff89 (diff) | |
move old files to a separate directory
Diffstat (limited to 'old_curriculum/strings/strings1.rs')
| -rw-r--r-- | old_curriculum/strings/strings1.rs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/old_curriculum/strings/strings1.rs b/old_curriculum/strings/strings1.rs new file mode 100644 index 0000000..2e5088f --- /dev/null +++ b/old_curriculum/strings/strings1.rs @@ -0,0 +1,46 @@ +// strings1.rs +// Make me compile without changing the function signature! Scroll down for hints :) + +fn main() { + let answer = current_favorite_color(); + println!("My current favorite color is {}", answer); +} + +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. |
