piecewise_contruct_t Structure
The struct piecewise_construct_t
is an empty structure type used to keep separate constructor and function overloading. Specifically, pair
has a constructor with piecewise_construct_t
as the first argument, followed by two tuple
arguments.
Syntax
struct piecewise_construct_t { explicit piecewise_construct_t() = default; };
inline constexpr piecewise_construct_t piecewise_construct{};