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Kotlin

Kotlin

Kotlin

break continue

Kotlin label. @. : abc@, fooBar@ (. ). , ,

loop@ for (i in 1..100) {
  // ...
}

break continue :

loop@ for (i in 1..100) {
  for (j in 1..100) {
    if (...)
      break@loop
  }
}

break, @loop, , loop@. continue .

Kotlin , (.:local functions) function literals. return . -. , :

fun foo() {
  ints.forEach {
    if (it == 0) return
    print(it)
  }
}

return , foo. ( , -, -.) -, return:

fun foo() {
  ints.forEach lit@ {
    if (it == 0) return@lit
    print(it)
  }
}

-. : , , .

fun foo() {
  ints.forEach {
    if (it == 0) return@forEach
    print(it)
  }
}

-. return .

fun foo() {
  ints.forEach(fun(value: Int) {
    if (value == 0) return
    print(value)
  })
}

,

return@a 1

" 1 @a, " (@a 1)".

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, , Class - - , , .




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