[rustc.git] / src / test / ui / rfcs / rfc-2396-target_feature-11 / fn-traits.rs

// 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(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}`
}
Commit	Line	Data
f035d41b XL	1	// only-x86_64
	2
	3	#![feature(target_feature_11)]
	4
	5	#[target_feature(enable = "avx")]
	6	fn foo() {}
	7
	8	#[target_feature(enable = "avx")]
	9	unsafe fn foo_unsafe() {}
	10
	11	fn call(f: impl Fn()) {
	12	f()
	13	}
	14
	15	fn call_mut(f: impl FnMut()) {
	16	f()
	17	}
	18
	19	fn call_once(f: impl FnOnce()) {
	20	f()
	21	}
	22
	23	fn main() {
1b1a35ee XL	24	call(foo); //~ ERROR expected a `Fn<()>` closure, found `fn() {foo}`
	25	call_mut(foo); //~ ERROR expected a `FnMut<()>` closure, found `fn() {foo}`
	26	call_once(foo); //~ ERROR expected a `FnOnce<()>` closure, found `fn() {foo}`
f035d41b XL	27
f035d41b XL	28	call(foo_unsafe);
1b1a35ee	29	//~^ ERROR expected a `Fn<()>` closure, found `unsafe fn() {foo_unsafe}`
f035d41b	30	call_mut(foo_unsafe);
1b1a35ee	31	//~^ ERROR expected a `FnMut<()>` closure, found `unsafe fn() {foo_unsafe}`
f035d41b	32	call_once(foo_unsafe);
1b1a35ee	33	//~^ ERROR expected a `FnOnce<()>` closure, found `unsafe fn() {foo_unsafe}`
f035d41b	34	}