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33 lines
592 B
C++
33 lines
592 B
C++
/**
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* @file libimp/fmt_cpo.h
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* @author mutouyun (orz@orzz.org)
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* @brief String formatting CPO.
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* @date 2022-11-28
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*/
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#pragma once
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#include <string>
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#include "libimp/def.h"
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#include "libimp/generic.h"
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LIBIMP_NAMESPACE_BEG_
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/**
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* @brief Supports custom fmt_to_string methods for imp::fmt.
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*/
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namespace detail {
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struct fmt_to_string_t {
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template <typename T>
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std::string operator()(T &&arg) const {
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return ::LIBIMP::tag_invoke(fmt_to_string_t{}, std::forward<T>(arg));
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}
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};
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} // namespace detail
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constexpr detail::fmt_to_string_t fmt_to_string {};
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LIBIMP_NAMESPACE_END_
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