< > BotCompany Repo | #1024429 // rOnceAtATimeOnly

JavaX fragment (include) [tags: use-pretranspiled]

Libraryless. Click here for Pure Java version (1642L/11K).

static Runnable rOnceAtATimeOnly(Runnable r) {
  if (r == null) null;
  new AtomicBool running;
  ret r {
    if (!running.compareAndSet(false, true)) ret;
    try {
      r.run();
    } finally {
      running.set(false);
    }
  };
}

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