toml11

toml11 is a C++11 (or later) header-only toml parser/encoder depending only on C++ standard library. - It complies with the latest TOML language specification. - It passes all the standard TOML language test cases. - It supports new features merged into the upcoming TOML version (v1.1.0). - It provides clear error messages, including the location of the error. - It parses and retains comments, associating them with corresponding values. - It maintains formatting information such as hex integers and considers these during serialization. - It provides exception-less parse function. - It supports complex type conversions from TOML values. - It allows customization of the types stored in toml::value. - It provides some extensions not present in the TOML language standard.