absl::c_set_union

Overload of c_set_union() for performing a merge using a comp other than operator<.

Synopsis

Declared in <absl/algorithm/container.h>

template<
    typename C1,
    typename C2,
    typename OutputIterator,
    typename LessThan>
requires !container_algorithm_internal::IsUnorderedContainer<C1>::value && !container_algorithm_internal::IsUnorderedContainer<C2>::value
constexpr
OutputIterator
c_set_union(
    C1 const& c1,
    C2 const& c2,
    OutputIterator output,
    LessThan&& comp);

Return Value

An iterator to the end of the written range in the output.

Parameters

NameDescription
c1The first sorted container.
c2The second sorted container.
outputThe output iterator receiving the union.
compThe comparison used to order the elements.