diff options
Diffstat (limited to 'src/tools/clippy/tests/ui/manual_str_repeat.fixed')
-rw-r--r-- | src/tools/clippy/tests/ui/manual_str_repeat.fixed | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/manual_str_repeat.fixed b/src/tools/clippy/tests/ui/manual_str_repeat.fixed new file mode 100644 index 000000000..0704ba2f9 --- /dev/null +++ b/src/tools/clippy/tests/ui/manual_str_repeat.fixed @@ -0,0 +1,66 @@ +// run-rustfix + +#![feature(custom_inner_attributes)] +#![warn(clippy::manual_str_repeat)] + +use std::borrow::Cow; +use std::iter::repeat; + +fn main() { + let _: String = "test".repeat(10); + let _: String = "x".repeat(10); + let _: String = "'".repeat(10); + let _: String = "\"".repeat(10); + + let x = "test"; + let count = 10; + let _ = x.repeat(count + 2); + + macro_rules! m { + ($e:expr) => {{ $e }}; + } + // FIXME: macro args are fine + let _: String = repeat(m!("test")).take(m!(count)).collect(); + + let x = &x; + let _: String = (*x).repeat(count); + + macro_rules! repeat_m { + ($e:expr) => {{ repeat($e) }}; + } + // Don't lint, repeat is from a macro. + let _: String = repeat_m!("test").take(count).collect(); + + let x: Box<str> = Box::from("test"); + let _: String = x.repeat(count); + + #[derive(Clone)] + struct S; + impl FromIterator<Box<S>> for String { + fn from_iter<T: IntoIterator<Item = Box<S>>>(_: T) -> Self { + Self::new() + } + } + // Don't lint, wrong box type + let _: String = repeat(Box::new(S)).take(count).collect(); + + let _: String = Cow::Borrowed("test").repeat(count); + + let x = "x".to_owned(); + let _: String = x.repeat(count); + + let x = 'x'; + // Don't lint, not char literal + let _: String = repeat(x).take(count).collect(); +} + +fn _msrv_1_15() { + #![clippy::msrv = "1.15"] + // `str::repeat` was stabilized in 1.16. Do not lint this + let _: String = std::iter::repeat("test").take(10).collect(); +} + +fn _msrv_1_16() { + #![clippy::msrv = "1.16"] + let _: String = "test".repeat(10); +} |