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ignore whitespace in try parse (#1536)
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parent
feeac2e041
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@ -156,8 +156,11 @@ namespace GeneralUtils {
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* @returns An std::optional containing the desired value if it is equivalent to the string
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* @returns An std::optional containing the desired value if it is equivalent to the string
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*/
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*/
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template <Numeric T>
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template <Numeric T>
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[[nodiscard]] std::optional<T> TryParse(const std::string_view str) {
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[[nodiscard]] std::optional<T> TryParse(std::string_view str) {
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numeric_parse_t<T> result;
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numeric_parse_t<T> result;
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if (!str.empty()) {
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while (std::isspace(str.front())) str.remove_prefix(1);
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}
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const char* const strEnd = str.data() + str.size();
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const char* const strEnd = str.data() + str.size();
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const auto [parseEnd, ec] = std::from_chars(str.data(), strEnd, result);
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const auto [parseEnd, ec] = std::from_chars(str.data(), strEnd, result);
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@ -181,8 +184,12 @@ namespace GeneralUtils {
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* @returns An std::optional containing the desired value if it is equivalent to the string
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* @returns An std::optional containing the desired value if it is equivalent to the string
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*/
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*/
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template <std::floating_point T>
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template <std::floating_point T>
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[[nodiscard]] std::optional<T> TryParse(const std::string_view str) noexcept
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[[nodiscard]] std::optional<T> TryParse(std::string_view str) noexcept
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try {
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try {
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if (!str.empty()) {
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while (std::isspace(str.front())) str.remove_prefix(1);
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}
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size_t parseNum;
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size_t parseNum;
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const T result = details::_parse<T>(str, parseNum);
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const T result = details::_parse<T>(str, parseNum);
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const bool isParsed = str.length() == parseNum;
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const bool isParsed = str.length() == parseNum;
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