rust/tests/ui/error-codes/E0621-does-not-trigger-for-closures.rs
2023-01-11 09:32:08 +00:00

17 lines
477 B
Rust

// Test that we give the generic error when one of the free regions is
// bound in a closure (rather than suggesting a change to the signature
// of the closure, which is not specified in `foo` but rather in `invoke`).
fn invoke<'a, F>(x: &'a i32, f: F) -> &'a i32
where F: FnOnce(&'a i32, &i32) -> &'a i32
{
let y = 22;
f(x, &y)
}
fn foo<'a>(x: &'a i32) {
invoke(&x, |a, b| if a > b { a } else { b }); //~ ERROR lifetime may not live long enough
}
fn main() {}