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