mirror of https://github.com/rust-lang/rust
29 lines
434 B
Rust
29 lines
434 B
Rust
//@ compile-flags:-Zverbose-internals
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//@ check-pass
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// Test that we assume that universal types like `T` outlive the
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// function body.
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use std::cell::Cell;
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fn twice<F, T>(value: T, mut f: F)
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where
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F: FnMut(Cell<&T>),
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{
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f(Cell::new(&value));
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f(Cell::new(&value));
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}
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fn generic<T>(value: T) {
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// No error here:
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twice(value, |r| invoke(r));
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}
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fn invoke<'a, T>(x: Cell<&'a T>)
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where
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T: 'a,
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{
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}
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fn main() {}
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