23 lines
436 B
Rust
23 lines
436 B
Rust
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// Regression test for #52057. There is an implied bound
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// that `I: 'a` where `'a` is the lifetime of `self` in `parse_first`;
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// but to observe that, one must normalize first.
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//
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// run-pass
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pub trait Parser {
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type Input;
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fn parse_first(input: &mut Self::Input);
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}
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impl<'a, I, P: ?Sized> Parser for &'a mut P
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where
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P: Parser<Input = I>,
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{
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type Input = I;
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fn parse_first(_: &mut Self::Input) {}
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}
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fn main() {}
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