Method has_limit

be/src/runtime/mem-tracker.h:281–281

  int64_t limit() const { return limit_; }
  bool has_limit() const { return limit_ >= 0; }
  int64_t soft_limit() const { return soft_limit_; }
  int64_t GetLimit(MemLimit mode) const {
    if (mode == MemLimit::SOFT) return soft_limit();