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#![feature(unboxed_closures)]
fn f<F: Fn<usize>>(_: F) {}
fn main() {
[1, 2, 3].sort_by(|| panic!());
//~^ ERROR closure is expected to take
[1, 2, 3].sort_by(|tuple| panic!());
//~^ ERROR closure is expected to take
[1, 2, 3].sort_by(|(tuple, tuple2)| panic!());
//~^ ERROR closure is expected to take
[1, 2, 3].sort_by(|(tuple, tuple2): (usize, _)| panic!());
//~^ ERROR closure is expected to take
f(|| panic!());
//~^ ERROR closure is expected to take
f( move || panic!());
//~^ ERROR closure is expected to take
let _it = vec![1, 2, 3].into_iter().enumerate().map(|i, x| i);
//~^ ERROR closure is expected to take
let _it = vec![1, 2, 3].into_iter().enumerate().map(|i: usize, x| i);
//~^ ERROR closure is expected to take
let _it = vec![1, 2, 3].into_iter().enumerate().map(|i, x, y| i);
//~^ ERROR closure is expected to take
let _it = vec![1, 2, 3].into_iter().enumerate().map(foo);
//~^ ERROR function is expected to take
let bar = |i, x, y| i;
let _it = vec![1, 2, 3].into_iter().enumerate().map(bar);
//~^ ERROR closure is expected to take
let _it = vec![1, 2, 3].into_iter().enumerate().map(qux);
//~^ ERROR function is expected to take
let _it = vec![1, 2, 3].into_iter().map(usize::checked_add);
//~^ ERROR function is expected to take
call(Foo);
//~^ ERROR function is expected to take
}
fn foo() {}
fn qux(x: usize, y: usize) {}
fn call<F, R>(_: F) where F: FnOnce() -> R {}
struct Foo(u8);
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