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54 lines
1.8 KiB
54 lines
1.8 KiB
/*-----------------------------------------------------------------------------+ |
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Copyright (c) 2010-2010: Joachim Faulhaber |
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+------------------------------------------------------------------------------+ |
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Distributed under the Boost Software License, Version 1.0. |
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(See accompanying file LICENCE.txt or copy at |
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http://www.boost.org/LICENSE_1_0.txt) |
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+-----------------------------------------------------------------------------*/ |
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#ifndef BOOST_ICL_PREDICATES_SUB_SUPER_SET_HPP_JOFA_101102 |
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#define BOOST_ICL_PREDICATES_SUB_SUPER_SET_HPP_JOFA_101102 |
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#include <boost/icl/type_traits/predicate.hpp> |
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#include <boost/icl/type_traits/type_to_string.hpp> |
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namespace boost{namespace icl |
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{ |
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/// Functor class template contained_in implements the subset relation. |
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template<class Type> |
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struct sub_super_set : public relation<Type,Type> |
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{ |
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/// Apply the subset relation. |
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/** <tt>contained_in(sub, super)</tt> is true if <tt>sub</tt> |
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is contained in <tt>super</tt> */ |
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bool operator()(const Type& sub, const Type& super)const |
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{ |
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return contains(super, sub); |
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} |
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}; |
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template<> |
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inline std::string unary_template_to_string<icl::sub_super_set>::apply() |
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{ return "C="; } |
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/// Functor class template <b>contains</b> implements the superset relation. |
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template<class Type> |
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struct super_sub_set : public relation<Type,Type> |
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{ |
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/// Apply the superset relation. |
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/** <tt>contains(super, sub)</tt> is true if <tt>super</tt> containes |
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<tt>sub</tt> */ |
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bool operator()(const Type& super, const Type& sub)const |
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{ |
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return contains(super, sub); |
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} |
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}; |
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template<> |
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inline std::string unary_template_to_string<icl::super_sub_set>::apply() |
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{ return "D="; } |
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}} // namespace icl boost |
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#endif |
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