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23 lines
425 B
Rust
23 lines
425 B
Rust
// check-pass
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fn lt_in_fn_fn<'a: 'a>() -> fn(fn(&'a ())) {
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|_| ()
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}
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fn foo<'a, 'b, 'lower>(v: bool)
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where
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'a: 'lower,
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'b: 'lower,
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{
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// if we infer `x` to be higher ranked in the future,
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// this would cause a type error.
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let x = match v {
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true => lt_in_fn_fn::<'a>(),
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false => lt_in_fn_fn::<'b>(),
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};
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let _: fn(fn(&'lower())) = x;
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}
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fn main() {}
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