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#![feature(let_chains)]
fn let_or_guard(x: Result<Option<i32>, ()>) {
match x {
Ok(opt) if let Some(4) = opt || false => {}
//~^ ERROR `let` expressions are not supported here
_ => {}
}
}
fn hiding_unsafe_mod(x: Result<Option<i32>, ()>) {
match x {
Ok(opt)
if {
unsafe mod a {};
//~^ ERROR module cannot be declared unsafe
false
} => {}
_ => {}
}
}
fn main() {}
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