Negates a Logical.This method returns a Logical with the same tag, but whose truth-value is negated. Specifically, not_(x) returns a false-valued Logical if x is a true-valued Logical, and a true-valued one otherwise. More...
Louis Dionne 2013-2016 Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)