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std::experi...ctWeakOrder(3)   C++ Standard Libary  std::experi...ctWeakOrder(3)

NAME
     std::experimental::ranges::StrictWeakOrder 	-	 std::experimen-
     tal::ranges::StrictWeakOrder

Synopsis
	Defined in header <experimental/ranges/concepts>
	template< class R, class T, class U >		  (1) (ranges TS)
	concept bool StrictWeakOrder = Relation<R, T, U>;

	The concept StrictWeakOrder<R, T, U> specifies that the Relation  R  im-
     poses a strict
	weak  ordering	on its arguments. A relation r is a strict weak ordering
     if

	  * it is irreflexive: for all x, r(x, x) is false;
	  * it is transitive: for all a, b and c, if r(a, b)  and  r(b,  c)  are
     both true then
	    r(a, c) is true;
	  *  let  e(a, b) be !r(a, b) && !r(b, a), then e is transitive: e(a, b)
     && e(b, c)
	    implies e(a, c).

	Under these conditions, it can be shown that e is an  equivalence  rela-
     tion, and r
	induces a strict total ordering on the equivalence classes determined by
     e.

Notes
	The distinction between Relation and StrictWeakOrder is purely semantic.

http://cppreference.com 	   2024.06.10	    std::experi...ctWeakOrder(3)

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