MySQL 9.6.0
Source Code Documentation
mysql::sets::Is_nested_set_traits Concept Reference

True if Test is a Set Traits class for a nested set. More...

#include <nested_set_meta.h>

Concept definition

template<class Test>
concept mysql::sets::Is_nested_set_traits =
Is_set_traits<Test> && Is_ordered_set_traits<typename Test::Key_traits_t> &&
Is_set_traits<typename Test::Mapped_traits_t> &&
Is_set_category<typename Test::Mapped_category_t>
mysql::sets::Is_nested_set_traits
True if Test is a Set Traits class for a nested set.
Definition: nested_set_meta.h:51
mysql::sets::Is_ordered_set_traits
True if Test is an "ordered" Set traits class.
Definition: set_traits.h:88
mysql::sets::Is_set_category
True if Test is a Set category tag, i.e., derived from Base_set_category_tag.
Definition: set_categories.h:48
mysql::sets::Is_set_traits
True if Test is a Set_traits class, i.e., is derived from Base_set_traits.
Definition: set_traits.h:50

Detailed Description

True if Test is a Set Traits class for a nested set.

This requires Test is a set traits which has a type member Key_traits_t which is an ordered set traits, and a type member Mapped_traits_t which is a set traits, and a type member Mapped_category which is a set category.