struct _Swallow_assign
{
template<class _Tp>
- _Swallow_assign&
- operator=(const _Tp&)
+ const _Swallow_assign&
+ operator=(const _Tp&) const
{ return *this; }
};
- // TODO: Put this in some kind of shared file.
- namespace
- {
- _Swallow_assign ignore;
- }; // anonymous namespace
+ const _Swallow_assign ignore{};
/**
* Stores a tuple of indices. Used by bind() to extract the elements