martinzink commented on code in PR #2213:
URL: https://github.com/apache/nifi-minifi-cpp/pull/2213#discussion_r3550057709
##########
core-framework/common/include/utils/ParsingUtils.h:
##########
@@ -90,4 +91,22 @@ std::expected<T, std::error_code> parseEnum(const
std::string_view input) {
return *result;
}
+template<std::floating_point T>
+std::expected<T, std::error_code> parseFloatingPoint(const std::string_view
input) {
+ const auto trimmed_input = utils::string::trim(input);
+ T value{};
+
+ const auto [ptr, ec] = std::from_chars(trimmed_input.data(),
trimmed_input.data() + trimmed_input.size(), value);
Review Comment:
Unlike other parsing functions in C++ and C libraries, std::from_chars is
locale-independent, non-allocating, and non-throwing.
source: https://en.cppreference.com/cpp/utility/from_chars
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