Method pop

include/fastgrind.h:1178–1186

@brief Pop top of stack (must not be empty). */

    /** @brief Pop top of stack (must not be empty). */
    MEM_NO_INSTRUMENT const char *pop()
    {
        if (_offset == 0)
            return nullptr;

        auto v = _stack[--_offset];
        _stackId -= size_t(v);
        return v;
    }

    /** @return Current stack depth. */
    MEM_NO_INSTRUMENT unsigned depth() const