code: func (t *Toleration) MatchToleration(tolerationToMatch *Toleration) bool {
  	return t.Key == tolerationToMatch.Key &&
  		t.Effect == tolerationToMatch.Effect &&
  		t.Operator == tolerationToMatch.Operator &&
  		t.Value == tolerationToMatch.Value
  }
docs: // MatchToleration checks if the toleration matches tolerationToMatch. Tolerations are unique by <key,effect,operator,value>,
  // if the two tolerations have same <key,effect,operator,value> combination, regard as they match.
  // TODO: uniqueness check for tolerations in api validations.