members_of()

template<concepts::product_type T>

auto kumi::members_of ( as< T > )

inlinenodiscardconstexprnoexcept

Extracts the identifiers of the fields of a product type.

Note

If some fields are unnamed, the associated identifier is kumi::unit.

Template Parameters

T	the type of the product type from which to extract identifierss.

Returns

A tuple of the identifierss of a product type if there are any.

See also

kumi::tuple

kumi::record

Example:

#include <kumi/kumi.hpp>
#include <iostream>
 
int main()
{
  using namespace kumi::literals;
 
  kumi::tuple t = { "x"_id = 1, 2.3, 4.5f, "z"_id = '@' };
  kumi::record r = {"x"_id = 1, "y"_id = 2.f, "z"_id = '#', "t"_id = 12};
 
  std::cout << kumi::members_of(kumi::as(t)) << "\n";
  std::cout << kumi::members_of(kumi::as(r)) << "\n";
}