Method ClearVal

tensorflow/core/common_runtime/entry.h:106–111

Clears the field, and sets this entry to the `NO_VALUE` state.

  // Clears the <val> field, and sets this entry to the `NO_VALUE` state.
  void ClearVal() {
    if (state == State::HAS_VALUE) {
      val.Destroy();
    }
    state = State::NO_VALUE;
  }

  union {
    // A tensor value. Valid iff `state_ == HAS_VALUE`.