< > BotCompany Repo | #1019896 // evalInQ - run in a queue, wait, get return value

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

Libraryless. Click here for Pure Java version (9934L/55K).

static <A> A evalInQ(Q q, IF0<A> f) {
  ret evalInQ(q, if0ToF0(f));
}

static <A> A evalInQ(Q q, F0<A> f) {
  if (isInQ(q)) ret callF(f);
  
  final new Var<Either<A, Throwable>> var;
  
  q.add(r {
    try {
      var.set(eitherA(callF(f)));
    } catch e {
      var.set(eitherB(e));
    }
  });
  
  ret returnOrThrow_either(waitForVarToBeNotNull(var));
}

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