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Groovyのちょっとしたこと「try{return func1()}finally{return func2()}の挙動」

Posted at

どうも、えいやです。

tryとfinallyで、両方リターンすると両方評価されて、返り値はfinallyの方です。

tryFinallyBothReturn.groovy
def func = {
  try{
    return {print('a');0}()
  }finally{
    return {print('b');1}()
  }
}
println func() // ab1

Javaでも挙動は同じなはずです。

まぁ、そもそもこんなコード書いちゃダメだけどね。

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