Method writerForAppendable

src/main/java/com/google/gson/Streams.java:145–147

(Appendable appendable)

  }

  static Writer writerForAppendable(Appendable appendable) {
    return appendable instanceof Writer ? (Writer) appendable : new AppendableWriter(appendable);
  }

  /**
   * Adapts an {@link Appendable} so it can be passed anywhere a {@link Writer}