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Do not undef BOOST_LAMBDA2_UNARY_LAMBDA and BOOST_LAMBDA2_BINARY_LAMBDA; change second argument to be more general, to enable use with non-std function objects

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This commit is contained in:
Peter Dimov 2021-06-27 03:47:13 +03:00
parent ee939bb5ac
commit e0793208a1
1 changed files with 21 additions and 24 deletions
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45
include/boost/lambda2/lambda2.hpp
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@ -38,41 +38,38 @@ template<class A, class B> using enable_binary_lambda =
template<class A, class = detail::enable_unary_lambda<A>> \
auto operator op( A&& a ) \
{ \
return std::bind( std::fn<>(), std::forward<A>(a) ); \
return std::bind( fn(), std::forward<A>(a) ); \
}
#define BOOST_LAMBDA2_BINARY_LAMBDA(op, fn) \
template<class A, class B, class = detail::enable_binary_lambda<A, B>> \
auto operator op( A&& a, B&& b ) \
{ \
return std::bind( std::fn<>(), std::forward<A>(a), std::forward<B>(b) ); \
return std::bind( fn(), std::forward<A>(a), std::forward<B>(b) ); \
}
BOOST_LAMBDA2_BINARY_LAMBDA(+, plus)
BOOST_LAMBDA2_BINARY_LAMBDA(-, minus)
BOOST_LAMBDA2_BINARY_LAMBDA(*, multiplies)
BOOST_LAMBDA2_BINARY_LAMBDA(/, divides)
BOOST_LAMBDA2_BINARY_LAMBDA(%, modulus)
BOOST_LAMBDA2_UNARY_LAMBDA(-, negate)
BOOST_LAMBDA2_BINARY_LAMBDA(+, std::plus<>)
BOOST_LAMBDA2_BINARY_LAMBDA(-, std::minus<>)
BOOST_LAMBDA2_BINARY_LAMBDA(*, std::multiplies<>)
BOOST_LAMBDA2_BINARY_LAMBDA(/, std::divides<>)
BOOST_LAMBDA2_BINARY_LAMBDA(%, std::modulus<>)
BOOST_LAMBDA2_UNARY_LAMBDA(-, std::negate<>)
BOOST_LAMBDA2_BINARY_LAMBDA(==, equal_to)
BOOST_LAMBDA2_BINARY_LAMBDA(!=, not_equal_to)
BOOST_LAMBDA2_BINARY_LAMBDA(>, greater)
BOOST_LAMBDA2_BINARY_LAMBDA(<, less)
BOOST_LAMBDA2_BINARY_LAMBDA(>=, greater_equal)
BOOST_LAMBDA2_BINARY_LAMBDA(<=, less_equal)
BOOST_LAMBDA2_BINARY_LAMBDA(==, std::equal_to<>)
BOOST_LAMBDA2_BINARY_LAMBDA(!=, std::not_equal_to<>)
BOOST_LAMBDA2_BINARY_LAMBDA(>, std::greater<>)
BOOST_LAMBDA2_BINARY_LAMBDA(<, std::less<>)
BOOST_LAMBDA2_BINARY_LAMBDA(>=, std::greater_equal<>)
BOOST_LAMBDA2_BINARY_LAMBDA(<=, std::less_equal<>)
BOOST_LAMBDA2_BINARY_LAMBDA(&&, logical_and)
BOOST_LAMBDA2_BINARY_LAMBDA(||, logical_or)
BOOST_LAMBDA2_UNARY_LAMBDA(!, logical_not)
BOOST_LAMBDA2_BINARY_LAMBDA(&&, std::logical_and<>)
BOOST_LAMBDA2_BINARY_LAMBDA(||, std::logical_or<>)
BOOST_LAMBDA2_UNARY_LAMBDA(!, std::logical_not<>)
BOOST_LAMBDA2_BINARY_LAMBDA(&, bit_and)
BOOST_LAMBDA2_BINARY_LAMBDA(|, bit_or)
BOOST_LAMBDA2_BINARY_LAMBDA(^, bit_xor)
BOOST_LAMBDA2_UNARY_LAMBDA(~, bit_not)
#undef BOOST_LAMBDA2_UNARY_LAMBDA
#undef BOOST_LAMBDA2_BINARY_LAMBDA
BOOST_LAMBDA2_BINARY_LAMBDA(&, std::bit_and<>)
BOOST_LAMBDA2_BINARY_LAMBDA(|, std::bit_or<>)
BOOST_LAMBDA2_BINARY_LAMBDA(^, std::bit_xor<>)
BOOST_LAMBDA2_UNARY_LAMBDA(~, std::bit_not<>)
using namespace std::placeholders;