Function propagate_on_container_swap
Synopsis
#include <src/entt/core/memory.hpp>
template <typename Allocator>
constexpr void propagate_on_container_swap([[maybe_unused]] Allocator &lhs, [[maybe_unused]] Allocator &rhs)
Description
Utility function to design allocation-aware containers.
- Template Parameters
Allocator- Type of allocator.- Parameters
lhs- A valid allocator.rhs- Another valid allocator.
Source
Lines 61-69 in src/entt/core/memory.hpp.
template<typename Allocator>
constexpr void propagate_on_container_swap([[maybe_unused]] Allocator &lhs, [[maybe_unused]] Allocator &rhs) ENTT_NOEXCEPT {
ENTT_ASSERT(std::allocator_traits<Allocator>::propagate_on_container_swap::value || lhs == rhs, "Cannot swap the containers");
if constexpr(std::allocator_traits<Allocator>::propagate_on_container_swap::value) {
using std::swap;
swap(lhs, rhs);
}
}