rust-clippy/tests/ui/single_char_lifetime_names.rs

43 lines
1 KiB
Rust

#![warn(clippy::single_char_lifetime_names)]
// Lifetimes should only be linted when they're introduced
struct DiagnosticCtx<'a, 'b>
where
'a: 'b,
{
_source: &'a str,
_unit: &'b (),
}
// Only the lifetimes on the `impl`'s generics should be linted
impl<'a, 'b> DiagnosticCtx<'a, 'b> {
fn new(source: &'a str, unit: &'b ()) -> DiagnosticCtx<'a, 'b> {
Self {
_source: source,
_unit: unit,
}
}
}
// No lifetimes should be linted here
impl<'src, 'unit> DiagnosticCtx<'src, 'unit> {
fn new_pass(source: &'src str, unit: &'unit ()) -> DiagnosticCtx<'src, 'unit> {
Self {
_source: source,
_unit: unit,
}
}
}
// Only 'a should be linted here
fn split_once<'a>(base: &'a str, other: &'_ str) -> (&'a str, Option<&'a str>) {
base.split_once(other)
.map(|(left, right)| (left, Some(right)))
.unwrap_or((base, None))
}
fn main() {
let src = "loop {}";
let unit = ();
DiagnosticCtx::new(src, &unit);
}