Method set

future-java/src/main/java/io/trane/future/Local.java:141–154

Sets the value of the local. It's similar to update but receives an optional value. @param opt optional value to set.

(final Optional<T> opt)

   * @param opt  optional value to set.
   */
  public final void set(final Optional<T> opt) {
    Optional<?>[] ctx = threadLocal.get();

    if (ctx == null)
      ctx = new Optional<?>[size];
    else {
      final Optional<?>[] oldCtx = ctx;
      ctx = new Optional<?>[size];
      System.arraycopy(oldCtx, 0, ctx, 0, oldCtx.length);
    }

    ctx[position] = opt;
    threadLocal.set(ctx);
  }

  /**
   * Gets the current value of the local.