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fn closure_to_loc() { let mut x = |c| c + 1; x = |c| c + 1; //~^ ERROR mismatched types } fn closure_from_match() { let x = match 1usize { 1 => |c| c + 1, 2 => |c| c - 1, _ => |c| c - 1 }; //~^^^^ ERROR type annotations needed } fn main() { }