mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2025-06-07 00:51:32 +00:00
add float to_string
delete redundant overload to_string
This commit is contained in:
bolero-MURAKAMI
parent
09b4b56fad
commit
d8353c9bf7
3 changed files with 319 additions and 96 deletions
221
sprout/string/float_to_string.hpp
Normal file
221
sprout/string/float_to_string.hpp
Normal file
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@ -0,0 +1,221 @@
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#ifndef SPROUT_STRING_FLOAT_TO_STRING_HPP
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#define SPROUT_STRING_FLOAT_TO_STRING_HPP
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#include <cstddef>
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#include <cstdint>
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#include <cmath>
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#include <limits>
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/string/string.hpp>
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#include <sprout/string/make_string.hpp>
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#include <sprout/integer/integer_digits.hpp>
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#include <sprout/utility/enabler_if.hpp>
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#include <sprout/detail/char_conversion.hpp>
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namespace sprout {
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//
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// printed_float_digits
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//
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template<typename FloatType>
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struct printed_float_digits
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: public std::integral_constant<
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std::size_t,
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/*std::numeric_limits<floatFloatType>::max_exponent10 + 6 + 2*/
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sprout::integer_digits<std::intmax_t>::value + 6 + 3
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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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typename FloatType,
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typename... Args,
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typename sprout::enabler_if<(sizeof...(Args) == sprout::printed_float_digits<FloatType>::value - 1)>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR sprout::basic_string<Elem, sprout::printed_float_digits<FloatType>::value>
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float_to_string_impl_1(FloatType val, bool negative, Args... args) {
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return negative ? sprout::make_string_as<Elem>(static_cast<Elem>('-'), args...)
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: sprout::make_string_as<Elem>(args...)
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;
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}
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template<
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typename Elem,
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typename FloatType,
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typename... Args,
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typename sprout::enabler_if<(sizeof...(Args) < sprout::printed_float_digits<FloatType>::value - 1)>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR sprout::basic_string<Elem, sprout::printed_float_digits<FloatType>::value>
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float_to_string_impl_1(FloatType val, bool negative, Args... args) {
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using std::floor;
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return !(val < 1) ? sprout::detail::float_to_string_impl_1<Elem>(
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val / 10,
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negative,
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sprout::detail::int_to_char<Elem>(static_cast<std::uintmax_t>(val) % 10),
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args...
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)
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: negative ? sprout::make_string_as<Elem>(static_cast<Elem>('-'), args...)
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: sprout::make_string_as<Elem>(args...)
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;
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}
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template<
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typename Elem,
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typename FloatType,
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typename... Args,
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typename sprout::enabler_if<(sizeof...(Args) == sprout::printed_float_digits<FloatType>::value - 3)>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR sprout::basic_string<Elem, sprout::printed_float_digits<FloatType>::value>
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float_to_string_impl(FloatType val, bool negative, unsigned temp, std::size_t decimal_digits, Args... args) {
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return negative ? sprout::make_string_as<Elem>(static_cast<Elem>('-'), static_cast<Elem>('0'), static_cast<Elem>('.'), args...)
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: sprout::make_string_as<Elem>(static_cast<Elem>('0'), static_cast<Elem>('.'), args...)
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;
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}
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template<
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typename Elem,
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typename FloatType,
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typename... Args,
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typename sprout::enabler_if<(sizeof...(Args) < sprout::printed_float_digits<FloatType>::value - 3)>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR sprout::basic_string<Elem, sprout::printed_float_digits<FloatType>::value>
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float_to_string_impl(FloatType val, bool negative, unsigned temp, std::size_t decimal_digits, Args... args) {
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return decimal_digits ? sprout::detail::float_to_string_impl<Elem>(
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val,
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negative,
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temp / 10,
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decimal_digits - 1,
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sprout::detail::int_to_char<Elem>(temp % 10),
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args...
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)
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: !(val < 1) ? sprout::detail::float_to_string_impl_1<Elem>(
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val,
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negative,
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static_cast<Elem>('.'),
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args...
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)
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: negative ? sprout::make_string_as<Elem>(static_cast<Elem>('-'), static_cast<Elem>('0'), static_cast<Elem>('.'), args...)
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: sprout::make_string_as<Elem>(static_cast<Elem>('0'), static_cast<Elem>('.'), args...)
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;
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}
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template<
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typename Elem,
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typename FloatType
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>
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inline SPROUT_CONSTEXPR sprout::basic_string<Elem, sprout::printed_float_digits<FloatType>::value>
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float_to_string(FloatType val) {
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using std::floor;
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return val < 0 ? sprout::detail::float_to_string_impl<Elem>(-val, true, static_cast<unsigned>((-val - floor(-val)) * 1000000), 6)
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: sprout::detail::float_to_string_impl<Elem>(val, false, static_cast<unsigned>((val - floor(val)) * 1000000), 6)
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;
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}
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} // namespace detail
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//
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// float_to_string
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//
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template<
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typename Elem,
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typename FloatType,
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typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR sprout::basic_string<Elem, sprout::printed_float_digits<FloatType>::value>
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float_to_string(FloatType val) {
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return sprout::detail::float_to_string<Elem>(val);
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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 FloatType, typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler>
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inline SPROUT_CONSTEXPR sprout::basic_string<Elem, sprout::printed_float_digits<FloatType>::value>
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to_string_of(FloatType val) {
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return sprout::float_to_string<Elem>(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_float_digits<float>::value>
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// to_string(float 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_float_digits<double>::value>
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// to_string(double 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_float_digits<long double>::value>
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// to_string(long double val) {
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// return sprout::to_string_of<char>(val);
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// }
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template<typename FloatType, typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler>
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inline SPROUT_CONSTEXPR sprout::basic_string<char, sprout::printed_float_digits<FloatType>::value>
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to_string(FloatType 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_float_digits<float>::value>
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// to_wstring(float 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_float_digits<double>::value>
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// to_wstring(double 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_float_digits<long double>::value>
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// to_wstring(long double val) {
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// return sprout::to_string_of<wchar_t>(val);
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// }
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template<typename FloatType, typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler>
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inline SPROUT_CONSTEXPR sprout::basic_string<wchar_t, sprout::printed_float_digits<FloatType>::value>
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to_wstring(FloatType 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_float_digits<float>::value>
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// to_u16string(float 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_float_digits<double>::value>
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// to_u16string(double 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_float_digits<long double>::value>
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// to_u16string(long double val) {
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// return sprout::to_string_of<char16_t>(val);
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// }
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template<typename FloatType, typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler>
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inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_float_digits<FloatType>::value>
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to_u16string(FloatType 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_float_digits<float>::value>
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// to_u32string(float 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_float_digits<double>::value>
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// to_u32string(double 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_float_digits<long double>::value>
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// to_u32string(long double val) {
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// return sprout::to_string_of<char32_t>(val);
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// }
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template<typename FloatType, typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler>
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inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_float_digits<FloatType>::value>
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to_u32string(FloatType 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_FLOAT_TO_STRING_HPP
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@ -1,6 +1,7 @@
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#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/string/string.hpp>
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@ -149,30 +150,30 @@ namespace sprout {
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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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// 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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@ -182,30 +183,30 @@ namespace sprout {
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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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// 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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@ -215,30 +216,30 @@ namespace sprout {
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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>
|
||||
to_u16string(unsigned long long val) {
|
||||
return sprout::to_string_of<char16_t>(val);
|
||||
}
|
||||
// inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_integer_digits<int>::value>
|
||||
// to_u16string(int val) {
|
||||
// return sprout::to_string_of<char16_t>(val);
|
||||
// }
|
||||
// inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_integer_digits<unsigned>::value>
|
||||
// to_u16string(unsigned val) {
|
||||
// return sprout::to_string_of<char16_t>(val);
|
||||
// }
|
||||
// inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_integer_digits<long>::value>
|
||||
// to_u16string(long val) {
|
||||
// return sprout::to_string_of<char16_t>(val);
|
||||
// }
|
||||
// inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_integer_digits<unsigned long>::value>
|
||||
// to_u16string(unsigned long val) {
|
||||
// return sprout::to_string_of<char16_t>(val);
|
||||
// }
|
||||
// inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_integer_digits<long long>::value>
|
||||
// to_u16string(long long val) {
|
||||
// return sprout::to_string_of<char16_t>(val);
|
||||
// }
|
||||
// inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_integer_digits<unsigned long long>::value>
|
||||
// to_u16string(unsigned long long val) {
|
||||
// return sprout::to_string_of<char16_t>(val);
|
||||
// }
|
||||
template<typename IntType, typename sprout::enabler_if<std::is_integral<IntType>::value>::type = sprout::enabler>
|
||||
inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, sprout::printed_integer_digits<IntType>::value>
|
||||
to_u16string(IntType val) {
|
||||
|
|
@ -248,30 +249,30 @@ namespace sprout {
|
|||
//
|
||||
// to_u32string
|
||||
//
|
||||
inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<int>::value>
|
||||
to_u32string(int val) {
|
||||
return sprout::to_string_of<char32_t>(val);
|
||||
}
|
||||
inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<unsigned>::value>
|
||||
to_u32string(unsigned val) {
|
||||
return sprout::to_string_of<char32_t>(val);
|
||||
}
|
||||
inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<long>::value>
|
||||
to_u32string(long val) {
|
||||
return sprout::to_string_of<char32_t>(val);
|
||||
}
|
||||
inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<unsigned long>::value>
|
||||
to_u32string(unsigned long val) {
|
||||
return sprout::to_string_of<char32_t>(val);
|
||||
}
|
||||
inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<long long>::value>
|
||||
to_u32string(long long val) {
|
||||
return sprout::to_string_of<char32_t>(val);
|
||||
}
|
||||
inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<unsigned long long>::value>
|
||||
to_u32string(unsigned long long val) {
|
||||
return sprout::to_string_of<char32_t>(val);
|
||||
}
|
||||
// inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<int>::value>
|
||||
// to_u32string(int val) {
|
||||
// return sprout::to_string_of<char32_t>(val);
|
||||
// }
|
||||
// inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<unsigned>::value>
|
||||
// to_u32string(unsigned val) {
|
||||
// return sprout::to_string_of<char32_t>(val);
|
||||
// }
|
||||
// inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<long>::value>
|
||||
// to_u32string(long val) {
|
||||
// return sprout::to_string_of<char32_t>(val);
|
||||
// }
|
||||
// inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<unsigned long>::value>
|
||||
// to_u32string(unsigned long val) {
|
||||
// return sprout::to_string_of<char32_t>(val);
|
||||
// }
|
||||
// inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<long long>::value>
|
||||
// to_u32string(long long val) {
|
||||
// return sprout::to_string_of<char32_t>(val);
|
||||
// }
|
||||
// inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<unsigned long long>::value>
|
||||
// to_u32string(unsigned long long val) {
|
||||
// return sprout::to_string_of<char32_t>(val);
|
||||
// }
|
||||
template<typename IntType, typename sprout::enabler_if<std::is_integral<IntType>::value>::type = sprout::enabler>
|
||||
inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, sprout::printed_integer_digits<IntType>::value>
|
||||
to_u32string(IntType val) {
|
||||
|
|
|
|||
|
|
@ -3,5 +3,6 @@
|
|||
|
||||
#include <cstddef>
|
||||
#include <sprout/string/int_to_string.hpp>
|
||||
#include <sprout/string/float_to_string.hpp>
|
||||
|
||||
#endif // #ifndef SPROUT_STRING_TO_STRING_HPP
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue