Method merge

core/src/com/google/inject/internal/Errors.java:611–617

(Collection<Message> messages)

  }

  public Errors merge(Collection<Message> messages) {
    List<Object> sources = getSources();
    for (Message message : messages) {
      addMessage(Messages.mergeSources(sources, message));
    }
    return this;
  }

  public Errors merge(Errors moreErrors) {
    if (moreErrors.root == root || moreErrors.root.errors == null) {