30 lines
823 B
Rust
30 lines
823 B
Rust
use std::collections::HashSet;
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// See rust-lang/rust-clippy#2774.
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#[derive(Eq, PartialEq, Debug, Hash)]
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pub struct Bar {
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foo: Foo,
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}
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#[derive(Eq, PartialEq, Debug, Hash)]
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pub struct Foo;
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#[allow(clippy::implicit_hasher)]
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// This should not cause a "cannot relate bound region" ICE.
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pub fn add_barfoos_to_foos<'a>(bars: &HashSet<&'a Bar>) {
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//~^ ERROR: the following explicit lifetimes could be elided: 'a
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//~| NOTE: `-D clippy::needless-lifetimes` implied by `-D warnings`
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let mut foos = HashSet::new();
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foos.extend(bars.iter().map(|b| &b.foo));
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}
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#[allow(clippy::implicit_hasher)]
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// Also, this should not cause a "cannot relate bound region" ICE.
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pub fn add_barfoos_to_foos2(bars: &HashSet<&Bar>) {
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let mut foos = HashSet::new();
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foos.extend(bars.iter().map(|b| &b.foo));
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}
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fn main() {}
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