operator<<

template<typename T>

template<typename C>

decltype(auto) operator<< ( C && c, foldable< T > && f )

friend

Pipelines the value contained in the foldable into a unary callable, chaining computation from right to left.

Parameters

f	The foldable instance.
c	The unary callable

Returns

A new kumi::foldable containing the result of the invocation.