rust/tests/ui/loop-match/invalid-attribute.rs

44 lines
1.2 KiB
Rust

// Test that the `#[loop_match]` and `#[const_continue]` attributes can only be
// placed on expressions.
#![allow(incomplete_features)]
#![feature(loop_match)]
#![loop_match] //~ ERROR should be applied to a loop
#![const_continue] //~ ERROR should be applied to a break expression
extern "C" {
#[loop_match] //~ ERROR should be applied to a loop
#[const_continue] //~ ERROR should be applied to a break expression
fn f();
}
#[loop_match] //~ ERROR should be applied to a loop
#[const_continue] //~ ERROR should be applied to a break expression
#[repr(C)]
struct S {
a: u32,
b: u32,
}
trait Invoke {
#[loop_match] //~ ERROR should be applied to a loop
#[const_continue] //~ ERROR should be applied to a break expression
extern "C" fn invoke(&self);
}
#[loop_match] //~ ERROR should be applied to a loop
#[const_continue] //~ ERROR should be applied to a break expression
extern "C" fn ok() {}
fn main() {
#[loop_match] //~ ERROR should be applied to a loop
#[const_continue] //~ ERROR should be applied to a break expression
|| {};
{
#[loop_match] //~ ERROR should be applied to a loop
#[const_continue] //~ ERROR should be applied to a break expression
5
};
}