rust/tests/ui/closures/closure_cap_coerce_many_fail.rs

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fn add(a: i32, b: i32) -> i32 {
a + b
}
fn main() {
// We shouldn't coerce capturing closure to a function
let cap = 0;
let _ = match "+" {
"+" => add,
"-" => |a, b| (a - b + cap) as i32,
_ => unimplemented!(),
};
//~^^^ ERROR `match` arms have incompatible types
// We shouldn't coerce capturing closure to a non-capturing closure
let _ = match "+" {
"+" => |a, b| (a + b) as i32,
"-" => |a, b| (a - b + cap) as i32,
_ => unimplemented!(),
};
//~^^^ ERROR `match` arms have incompatible types
// We shouldn't coerce non-capturing closure to a capturing closure
let _ = match "+" {
"+" => |a, b| (a + b + cap) as i32,
"-" => |a, b| (a - b) as i32,
_ => unimplemented!(),
};
//~^^^ ERROR `match` arms have incompatible types
// We shouldn't coerce capturing closure to a capturing closure
let _ = match "+" {
"+" => |a, b| (a + b + cap) as i32,
"-" => |a, b| (a - b + cap) as i32,
_ => unimplemented!(),
};
//~^^^ ERROR `match` arms have incompatible types
}