mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
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#ifndef SPROUT_FUNCTIONAL_BIND_UDL_HPP
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#define SPROUT_FUNCTIONAL_BIND_UDL_HPP
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#include <sprout/config.hpp>
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#include <sprout/functional/bind/placeholder.hpp>
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#if SPROUT_USE_USER_DEFINED_LITERALS
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#include <sprout/type_traits/identity.hpp>
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#include <sprout/detail/digits_to_int.hpp>
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namespace sprout {
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//
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// placeholders_result
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//
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template<char... Chars>
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struct placeholders_result
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: public sprout::identity<
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sprout::placeholder<sprout::detail::digits_to_int<int, Chars...>::value>
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>
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{};
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namespace placeholders {
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namespace udl {
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//
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// _
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//
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template<char... Chars>
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SPROUT_CONSTEXPR typename sprout::placeholders_result<Chars...>::type
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operator"" _() {
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typedef typename sprout::placeholders_result<Chars...>::type type;
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return type();
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}
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} // namespace udl
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} // namespace placeholders
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namespace udl {
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namespace placeholders {
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using sprout::placeholders::udl::operator"" _;
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} // namespace placeholders
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using sprout::placeholders::udl::operator"" _;
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} // namespace udl
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} // namespace sprout
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#endif // #if SPROUT_USE_USER_DEFINED_LITERALS
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#endif // #ifndef SPROUT_FUNCTIONAL_BIND_UDL_HPP
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