1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
//@ only-x86_64
#![feature(target_feature_11)]
#[target_feature(enable = "avx")]
fn foo() {}
#[target_feature(enable = "avx")]
unsafe fn foo_unsafe() {}
fn call(f: impl Fn()) {
f()
}
fn call_mut(mut f: impl FnMut()) {
f()
}
fn call_once(f: impl FnOnce()) {
f()
}
fn main() {
call(foo); //~ ERROR expected a `Fn()` closure, found `fn() {foo}`
call_mut(foo); //~ ERROR expected a `FnMut()` closure, found `fn() {foo}`
call_once(foo); //~ ERROR expected a `FnOnce()` closure, found `fn() {foo}`
call(foo_unsafe);
//~^ ERROR expected a `Fn()` closure, found `unsafe fn() {foo_unsafe}`
call_mut(foo_unsafe);
//~^ ERROR expected a `FnMut()` closure, found `unsafe fn() {foo_unsafe}`
call_once(foo_unsafe);
//~^ ERROR expected a `FnOnce()` closure, found `unsafe fn() {foo_unsafe}`
}
|
