mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
235 lines
9.2 KiB
C++
235 lines
9.2 KiB
C++
#ifndef SPROUT_STRING_INT_TO_STRING_HPP
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#define SPROUT_STRING_INT_TO_STRING_HPP
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#include <cstddef>
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/index_tuple.hpp>
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#include <sprout/string/string.hpp>
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#include <sprout/integer/integer_digits.hpp>
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#include <sprout/type_traits/enabler_if.hpp>
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#include <sprout/detail/char_conversion.hpp>
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#include <sprout/detail/int.hpp>
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namespace sprout {
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//
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// printed_integer_digits
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//
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template<typename IntType, std::size_t Base = 10>
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struct printed_integer_digits
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: public std::integral_constant<
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std::size_t,
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sprout::integer_digits<IntType, Base>::value + (std::is_signed<IntType>::value ? 1 : 0)
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>
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{};
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namespace detail {
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template<
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typename Elem,
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int Base,
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typename IntType,
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sprout::index_t... Indexes,
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typename sprout::enabler_if<std::is_signed<IntType>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR sprout::basic_string<Elem, sprout::printed_integer_digits<IntType, Base>::value>
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int_to_string(IntType val, int digits, sprout::index_tuple<Indexes...>) {
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return val < 0 ? sprout::basic_string<Elem, sprout::printed_integer_digits<IntType, Base>::value>{
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{
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static_cast<Elem>('-'),
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(Indexes < digits ? sprout::detail::int_to_char<Elem>(sprout::detail::int_digit_at<Base>(val, digits - 1 - Indexes))
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: Elem()
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)...
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},
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static_cast<std::size_t>(digits + 1)
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}
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: sprout::basic_string<Elem, sprout::printed_integer_digits<IntType, Base>::value>{
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{
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(Indexes < digits ? sprout::detail::int_to_char<Elem>(sprout::detail::int_digit_at<Base>(val, digits - 1 - Indexes))
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: Elem()
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)...
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},
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static_cast<std::size_t>(digits)
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}
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;
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}
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template<
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typename Elem,
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int Base,
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typename IntType,
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sprout::index_t... Indexes,
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typename sprout::enabler_if<std::is_unsigned<IntType>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR sprout::basic_string<Elem, sprout::printed_integer_digits<IntType, Base>::value>
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int_to_string(IntType val, int digits, sprout::index_tuple<Indexes...>) {
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return sprout::basic_string<Elem, sprout::printed_integer_digits<IntType, Base>::value>{
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{
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(Indexes < digits ? sprout::detail::int_to_char<Elem>(sprout::detail::int_digit_at<Base>(val, digits - 1 - Indexes))
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: Elem()
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)...
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},
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static_cast<std::size_t>(digits)
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};
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}
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} // namespace detail
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//
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// int_to_string
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//
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template<
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typename Elem,
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int Base = 10,
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typename IntType,
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typename sprout::enabler_if<std::is_integral<IntType>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR sprout::basic_string<Elem, sprout::printed_integer_digits<IntType, Base>::value>
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int_to_string(IntType val) {
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return sprout::detail::int_to_string<Elem, Base>(
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val,
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sprout::detail::int_digits<Base>(val),
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sprout::index_range<0, sprout::integer_digits<IntType, Base>::value>::make()
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);
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}
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//
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// to_string_of
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//
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template<typename Elem, typename IntType, typename sprout::enabler_if<std::is_integral<IntType>::value>::type = sprout::enabler>
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inline SPROUT_CONSTEXPR sprout::basic_string<Elem, sprout::printed_integer_digits<IntType, 10>::value>
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to_string_of(IntType val) {
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return sprout::int_to_string<Elem, 10>(val);
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}
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//
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// to_string
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//
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// inline SPROUT_CONSTEXPR sprout::basic_string<char, sprout::printed_integer_digits<int>::value>
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// to_string(int val) {
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// return sprout::to_string_of<char>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char, sprout::printed_integer_digits<unsigned>::value>
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// to_string(unsigned val) {
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// return sprout::to_string_of<char>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char, sprout::printed_integer_digits<long>::value>
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// to_string(long val) {
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// return sprout::to_string_of<char>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char, sprout::printed_integer_digits<unsigned long>::value>
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// to_string(unsigned long val) {
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// return sprout::to_string_of<char>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char, sprout::printed_integer_digits<long long>::value>
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// to_string(long long val) {
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// return sprout::to_string_of<char>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char, sprout::printed_integer_digits<unsigned long long>::value>
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// to_string(unsigned long long val) {
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// return sprout::to_string_of<char>(val);
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// }
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template<typename IntType, typename sprout::enabler_if<std::is_integral<IntType>::value>::type = sprout::enabler>
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inline SPROUT_CONSTEXPR sprout::basic_string<char, sprout::printed_integer_digits<IntType>::value>
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to_string(IntType val) {
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return sprout::to_string_of<char>(val);
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}
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//
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// to_wstring
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//
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// inline SPROUT_CONSTEXPR sprout::basic_string<wchar_t, sprout::printed_integer_digits<int>::value>
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// to_wstring(int val) {
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// return sprout::to_string_of<wchar_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<wchar_t, sprout::printed_integer_digits<unsigned>::value>
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// to_wstring(unsigned val) {
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// return sprout::to_string_of<wchar_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<wchar_t, sprout::printed_integer_digits<long>::value>
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// to_wstring(long val) {
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// return sprout::to_string_of<wchar_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<wchar_t, sprout::printed_integer_digits<unsigned long>::value>
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// to_wstring(unsigned long val) {
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// return sprout::to_string_of<wchar_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<wchar_t, sprout::printed_integer_digits<long long>::value>
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// to_wstring(long long val) {
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// return sprout::to_string_of<wchar_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<wchar_t, sprout::printed_integer_digits<unsigned long long>::value>
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// to_wstring(unsigned long long val) {
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// return sprout::to_string_of<wchar_t>(val);
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// }
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template<typename IntType, typename sprout::enabler_if<std::is_integral<IntType>::value>::type = sprout::enabler>
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inline SPROUT_CONSTEXPR sprout::basic_string<wchar_t, sprout::printed_integer_digits<IntType>::value>
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to_wstring(IntType val) {
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return sprout::to_string_of<wchar_t>(val);
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}
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//
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// to_u16string
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//
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// inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_integer_digits<int>::value>
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// to_u16string(int val) {
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// return sprout::to_string_of<char16_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_integer_digits<unsigned>::value>
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// to_u16string(unsigned val) {
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// return sprout::to_string_of<char16_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_integer_digits<long>::value>
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// to_u16string(long val) {
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// return sprout::to_string_of<char16_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_integer_digits<unsigned long>::value>
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// to_u16string(unsigned long val) {
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// return sprout::to_string_of<char16_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_integer_digits<long long>::value>
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// to_u16string(long long val) {
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// return sprout::to_string_of<char16_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_integer_digits<unsigned long long>::value>
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// to_u16string(unsigned long long val) {
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// return sprout::to_string_of<char16_t>(val);
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// }
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template<typename IntType, typename sprout::enabler_if<std::is_integral<IntType>::value>::type = sprout::enabler>
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inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_integer_digits<IntType>::value>
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to_u16string(IntType val) {
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return sprout::to_string_of<char16_t>(val);
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}
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//
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// to_u32string
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//
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// inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<int>::value>
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// to_u32string(int val) {
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// return sprout::to_string_of<char32_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<unsigned>::value>
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// to_u32string(unsigned val) {
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// return sprout::to_string_of<char32_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<long>::value>
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// to_u32string(long val) {
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// return sprout::to_string_of<char32_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<unsigned long>::value>
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// to_u32string(unsigned long val) {
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// return sprout::to_string_of<char32_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<long long>::value>
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// to_u32string(long long val) {
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// return sprout::to_string_of<char32_t>(val);
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// }
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// inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<unsigned long long>::value>
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// to_u32string(unsigned long long val) {
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// return sprout::to_string_of<char32_t>(val);
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// }
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template<typename IntType, typename sprout::enabler_if<std::is_integral<IntType>::value>::type = sprout::enabler>
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inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<IntType>::value>
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to_u32string(IntType val) {
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return sprout::to_string_of<char32_t>(val);
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_STRING_INT_TO_STRING_HPP
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