/// Create a new unart operator.
Create a new unart operator.
Create a new unart operator .
fn new(op: UnaryOp) -> BuiltinUnaryOp {
        BuiltinUnaryOp {
            id: BuiltinOpRef::alloc(),
            op: op,
        }
    }
fn new ( op : UnaryOp ) -> BuiltinUnaryOp { BuiltinUnaryOp { id : BuiltinOpRef :: alloc ( ) , op : op , } }
Create a new unart operator.
Create a new unart operator .
op
UnaryOp