Function is_space

src/builtin/module_builtin_string.cpp:107–109

    }

    __forceinline bool is_space ( char c ) {
        return c==' ' || c=='\t' || c=='\r' || c=='\n' || c=='\f' || c=='\v';
    }

    static inline const char* strip_l(const char *str) {
        const char *t = str;