rust/tests/ui/traits/new-solver/closure-inference-guidance.rs
2023-03-30 15:11:42 +00:00

12 lines
230 B
Rust

// compile-flags: -Ztrait-solver=next
// check-pass
fn foo(i: isize) -> isize { i + 1 }
fn apply<A, F>(f: F, v: A) -> A where F: FnOnce(A) -> A { f(v) }
pub fn main() {
let f = |i| foo(i);
assert_eq!(apply(f, 2), 3);
}