Kotlin libraries

kotlin-stdlib/kotlin.collections/forEach

forEach

inline fun <T> Array<out T>.forEach(action: (T) -> Unit)(source)

inline fun ByteArray.forEach(action: (Byte) -> Unit)(source)

inline fun ShortArray.forEach(action: (Short) -> Unit)(source)

inline fun IntArray.forEach(action: (Int) -> Unit)(source)

inline fun LongArray.forEach(action: (Long) -> Unit)(source)

inline fun FloatArray.forEach(action: (Float) -> Unit)(source)

inline fun DoubleArray.forEach(action: (Double) -> Unit)(source)

inline fun BooleanArray.forEach(action: (Boolean) -> Unit)(source)

inline fun CharArray.forEach(action: (Char) -> Unit)(source)

inline fun <T> Iterable<T>.forEach(action: (T) -> Unit)(source)

Performs the given action on each element.

Since Kotlin

1.0

inline fun <K, V> Map<out K, V>.forEach(action: (Map.Entry<K, V>) -> Unit)(source)

Performs the given action on each entry.

Since Kotlin

1.0

@ExperimentalUnsignedTypes

inline fun UIntArray.forEach(action: (UInt) -> Unit)(source)

@ExperimentalUnsignedTypes

inline fun ULongArray.forEach(action: (ULong) -> Unit)(source)

@ExperimentalUnsignedTypes

inline fun UByteArray.forEach(action: (UByte) -> Unit)(source)

@ExperimentalUnsignedTypes

inline fun UShortArray.forEach(action: (UShort) -> Unit)(source)

Performs the given action on each element.

Since Kotlin

1.3

inline fun <T> Iterator<T>.forEach(operation: (T) -> Unit)(source)

Performs the given operation on each element of this Iterator.

Since Kotlin

1.0

Samples

import java.util.*

fun main() { 
   //sampleStart 
   val iterator = (1..3).iterator()
// skip an element
if (iterator.hasNext()) {
    iterator.next()
}

// do something with the rest of elements
iterator.forEach {
    println("The element is $it")
} 
   //sampleEnd
}
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val iterator = (1..3).iterator()
// skip an element
if (iterator.hasNext()) {
    iterator.next()
}
// do something with the rest of elements
iterator.forEach {
    println("The element is $it")
} 
Open in Playground →
Target: JVMRunning on v.2.1.20

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