diff options
Diffstat (limited to 'src/tools/clippy/src/docs/manual_strip.txt')
-rw-r--r-- | src/tools/clippy/src/docs/manual_strip.txt | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/src/tools/clippy/src/docs/manual_strip.txt b/src/tools/clippy/src/docs/manual_strip.txt deleted file mode 100644 index f32d8e7a0..000000000 --- a/src/tools/clippy/src/docs/manual_strip.txt +++ /dev/null @@ -1,24 +0,0 @@ -### What it does -Suggests using `strip_{prefix,suffix}` over `str::{starts,ends}_with` and slicing using -the pattern's length. - -### Why is this bad? -Using `str:strip_{prefix,suffix}` is safer and may have better performance as there is no -slicing which may panic and the compiler does not need to insert this panic code. It is -also sometimes more readable as it removes the need for duplicating or storing the pattern -used by `str::{starts,ends}_with` and in the slicing. - -### Example -``` -let s = "hello, world!"; -if s.starts_with("hello, ") { - assert_eq!(s["hello, ".len()..].to_uppercase(), "WORLD!"); -} -``` -Use instead: -``` -let s = "hello, world!"; -if let Some(end) = s.strip_prefix("hello, ") { - assert_eq!(end.to_uppercase(), "WORLD!"); -} -```
\ No newline at end of file |