fn main() {} | |
fn attr_in_guard() { | |
match None::<u32> { | |
Some(!) //~ ERROR `!` patterns are experimental | |
//~^ ERROR: mismatched types | |
if #[deny(unused_mut)] //~ ERROR attributes on expressions are experimental | |
false //~ ERROR a guard on a never pattern will never be run | |
} | |
match false {} //~ ERROR: `bool` is non-empty | |
} |