On 13 January 2016 at 02:45, Nathan Ridge wrote: > The standard library that ships with GCC 5 makes use of three new type trait primitives: > > __is_trivially_copyable > __is_trivially_constructible > __is_trivially_assignable > > I couldn't find documentation of these primitives here [1]. Am I looking in the wrong place, or are they undocumented? They would be documented on that page if anywhere, so I think they're undocumented. You could open a Bugzilla report to make sure it gets done eventually :-) > Thanks, > Nate > > [1] https://gcc.gnu.org/onlinedocs/gcc/Type-Traits.html