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Diffstat (limited to 'src/third_party/boost-1.69.0/boost/algorithm/cxx11/all_of.hpp')
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diff --git a/src/third_party/boost-1.69.0/boost/algorithm/cxx11/all_of.hpp b/src/third_party/boost-1.69.0/boost/algorithm/cxx11/all_of.hpp new file mode 100644 index 00000000000..527bbd50fae --- /dev/null +++ b/src/third_party/boost-1.69.0/boost/algorithm/cxx11/all_of.hpp @@ -0,0 +1,83 @@ +/* + Copyright (c) Marshall Clow 2008-2012. + + Distributed under the Boost Software License, Version 1.0. (See accompanying + file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +*/ + +/// \file all_of.hpp +/// \brief Test ranges to see if all elements match a value or predicate. +/// \author Marshall Clow + +#ifndef BOOST_ALGORITHM_ALL_OF_HPP +#define BOOST_ALGORITHM_ALL_OF_HPP + +#include <boost/range/begin.hpp> +#include <boost/range/end.hpp> + +namespace boost { namespace algorithm { + +/// \fn all_of ( InputIterator first, InputIterator last, Predicate p ) +/// \return true if all elements in [first, last) satisfy the predicate 'p' +/// \note returns true on an empty range +/// +/// \param first The start of the input sequence +/// \param last One past the end of the input sequence +/// \param p A predicate for testing the elements of the sequence +/// +/// \note This function is part of the C++2011 standard library. +template<typename InputIterator, typename Predicate> +BOOST_CXX14_CONSTEXPR bool all_of ( InputIterator first, InputIterator last, Predicate p ) +{ + for ( ; first != last; ++first ) + if ( !p(*first)) + return false; + return true; +} + +/// \fn all_of ( const Range &r, Predicate p ) +/// \return true if all elements in the range satisfy the predicate 'p' +/// \note returns true on an empty range +/// +/// \param r The input range +/// \param p A predicate for testing the elements of the range +/// +template<typename Range, typename Predicate> +BOOST_CXX14_CONSTEXPR bool all_of ( const Range &r, Predicate p ) +{ + return boost::algorithm::all_of ( boost::begin (r), boost::end (r), p ); +} + +/// \fn all_of_equal ( InputIterator first, InputIterator last, const T &val ) +/// \return true if all elements in [first, last) are equal to 'val' +/// \note returns true on an empty range +/// +/// \param first The start of the input sequence +/// \param last One past the end of the input sequence +/// \param val A value to compare against +/// +template<typename InputIterator, typename T> +BOOST_CXX14_CONSTEXPR bool all_of_equal ( InputIterator first, InputIterator last, const T &val ) +{ + for ( ; first != last; ++first ) + if ( val != *first ) + return false; + return true; +} + +/// \fn all_of_equal ( const Range &r, const T &val ) +/// \return true if all elements in the range are equal to 'val' +/// \note returns true on an empty range +/// +/// \param r The input range +/// \param val A value to compare against +/// +template<typename Range, typename T> +BOOST_CXX14_CONSTEXPR bool all_of_equal ( const Range &r, const T &val ) +{ + return boost::algorithm::all_of_equal ( boost::begin (r), boost::end (r), val ); +} + +}} // namespace boost and algorithm + +#endif // BOOST_ALGORITHM_ALL_OF_HPP |