Class SkipEmpty

tensorflow/core/platform/str_util.h:110–112

  bool operator()(StringPiece sp) const { return true; }
};
struct SkipEmpty {
  bool operator()(StringPiece sp) const { return !sp.empty(); }
};
struct SkipWhitespace {
  bool operator()(StringPiece sp) const {
    return !absl::StripTrailingAsciiWhitespace(sp).empty();