Function create_unordered_map_with

include/fplus/maps.hpp:259–262

// create_unordered_map_with(show, [1,2]) == {1: "1", 2: "2"}
template <typename ContainerIn, typename F>
auto create_unordered_map_with(F f, const ContainerIn& keys)
{
    return create_unordered_map(keys, transform(f, keys));
}

// API search type: create_unordered_map_grouped : ((val -> key), [val]) -> Map key val
// fwd bind count: 1