mirror of https://github.com/rust-lang/rust
28 lines
569 B
Rust
28 lines
569 B
Rust
// Test that we assume that universal types like `T` outlive the
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// function body.
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#![allow(warnings)]
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use std::cell::Cell;
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// No errors here, because `'a` is local to the body.
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fn region_within_body<T>(t: T) {
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let some_int = 22;
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let cell = Cell::new(&some_int);
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outlives(cell, t)
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}
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// Error here, because T: 'a is not satisfied.
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fn region_static<'a, T>(cell: Cell<&'a usize>, t: T) {
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outlives(cell, t)
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//~^ ERROR the parameter type `T` may not live long enough
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}
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fn outlives<'a, T>(x: Cell<&'a usize>, y: 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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