On 02/03/2016 09:01 PM, Matt Elkins wrote:[...]Got it, thanks. That's a bug in the implementation, no two ways about it. No copy should occur there, neither theoretically nor practically. Please report it to bugzilla at http://issues.dlang.org. Thanks very much! -- Andrei
possibly related https://issues.dlang.org/show_bug.cgi?id=7579
