mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-14 17:48:10 +00:00
20 lines
512 B
Rust
20 lines
512 B
Rust
// check-pass
|
|
#![allow(dead_code)]
|
|
// Regression test for #24085. Errors were occurring in region
|
|
// inference due to the requirement that `'a:b'`, which was getting
|
|
// incorrectly codegened in connection with the closure below.
|
|
|
|
#[derive(Copy,Clone)]
|
|
struct Path<'a:'b, 'b> {
|
|
x: &'a i32,
|
|
tail: Option<&'b Path<'a, 'b>>
|
|
}
|
|
|
|
#[allow(dead_code, unconditional_recursion)]
|
|
fn foo<'a,'b,F>(p: Path<'a, 'b>, mut f: F)
|
|
where F: for<'c> FnMut(Path<'a, 'c>) {
|
|
foo(p, |x| f(x))
|
|
}
|
|
|
|
fn main() { }
|