#include <nda/sym_grp.hpp>

Detailed Description

Concept defining an initializer function.

An initializer function consists of a callable type that can be called with a multi-dimensional index with the same rank as a given array type and returns a an object of the same type as the value type of the array.

Template Parameters

F	Callable type.
A	nda::Array type.
Idx	Multi-dimensional index type.

Definition at line 126 of file sym_grp.hpp.

Concept definition

template<typename F, typename A, typename Idx std::array<long, static_cast<std::size_t>(get_rank<A>)>>
concept nda::NdaInitFunc =  Array<A> and requires(F f, Idx const &idx) {
    { f(idx) } -> std::same_as<get_value_t<A>>;
  }