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| author | Adam Brewer <adamhb321@gmail.com> | 2023-10-16 07:37:12 -0400 |
|---|---|---|
| committer | Adam Brewer <adamhb321@gmail.com> | 2023-10-16 07:37:12 -0400 |
| commit | 64d95837e9813541cf5b357de13865ce687ae98d (patch) | |
| tree | f022c5d5ba01128811c0b77618a7adb843ee876b /exercises/16_lifetimes/lifetimes1.rs | |
| parent | c3941323e2c0b9ee286494327de92e00f23b9e3a (diff) | |
Update Exercises Directory Names to Reflect Order
Diffstat (limited to 'exercises/16_lifetimes/lifetimes1.rs')
| -rw-r--r-- | exercises/16_lifetimes/lifetimes1.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/exercises/16_lifetimes/lifetimes1.rs b/exercises/16_lifetimes/lifetimes1.rs new file mode 100644 index 0000000..87bde49 --- /dev/null +++ b/exercises/16_lifetimes/lifetimes1.rs @@ -0,0 +1,27 @@ +// lifetimes1.rs +// +// The Rust compiler needs to know how to check whether supplied references are +// valid, so that it can let the programmer know if a reference is at risk of +// going out of scope before it is used. Remember, references are borrows and do +// not own their own data. What if their owner goes out of scope? +// +// Execute `rustlings hint lifetimes1` or use the `hint` watch subcommand for a +// hint. + +// I AM NOT DONE + +fn longest(x: &str, y: &str) -> &str { + if x.len() > y.len() { + x + } else { + y + } +} + +fn main() { + let string1 = String::from("abcd"); + let string2 = "xyz"; + + let result = longest(string1.as_str(), string2); + println!("The longest string is '{}'", result); +} |
