Method BoundBinaryFunction

ext/catch.hpp:4475–4475

        template<typename C, typename T>
        struct BoundBinaryFunction : IArgFunction<C>{
            BoundBinaryFunction( void (*_function)( C&, T ) ) : function( _function ) {}
            virtual void set( C& obj, std::string const& stringValue ) const {
                typename RemoveConstRef<T>::type value;
                convertInto( stringValue, value );