// error-pattern: copying a noncopyable value class foo { let x: int; new(x: int) { self.x = x; } drop { } } fn to_lambda2(b: foo) -> fn@(uint) -> uint { // test case where copy clause specifies a value that is not used // in fn@ body, but value is illegal to copy: ret fn@(u: uint, copy b) -> uint { 22u }; } fn main() { }