On 18 June 2013 08:35, Andreas Schwab wrote: > According to 2.14.8#10 this is ill-formed.
It's ill-formed for users to define it, but not ill-formed according to the language grammar, and the compiler would need to implement that grammar if operator""if gets added to the standard library (which could happen if an NB insists on the complex literals being in C++14, which can be done without the horrifically ugly i_f suffix now thanks to DR 1473.)
