reducer

struct kumi::function::reduce_t kumi::function::reducer

constevalnoexcept

#include <kumi/functional/indexable.hpp>

Callable object computing the index map associated to the reduction operation.

Header file

#include <kumi/functional/indexable.hpp>

Call Signature

template<typename Count, typename N>
consteval auto reducer(Count c, N n) noexcept;

Parameters

• c: Total reduced pairs processing for the current step
• n: Remainder if the number of values is odd

Return value

A kumi::projection_map segmenting the input domain in chunks of two consecutive elements plus the remainder.