mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-24 15:54:15 +00:00
19 lines
426 B
Rust
19 lines
426 B
Rust
// run-pass
|
|
#![allow(unused_parens)]
|
|
// pretty-expanded FIXME #23616
|
|
|
|
fn f<T, F>(g: F) -> T where F: FnOnce() -> T { g() }
|
|
|
|
pub fn main() {
|
|
let _x = f( | | { 10 });
|
|
// used to be: cannot determine a type for this expression
|
|
f(| | { });
|
|
// ditto
|
|
f( | | { ()});
|
|
// always worked
|
|
let _: () = f(| | { });
|
|
// empty block with no type info should compile too
|
|
let _ = f(||{});
|
|
let _ = (||{});
|
|
}
|