zip

infix fun CharSequence.zip(other: CharSequence): List<Pair<Char, Char>>(source)

Returns a list of pairs built from the characters of this and the other char sequences with the same index The returned list has length of the shortest char sequence.

Since Kotlin

1.0

Samples

import java.util.Locale
import kotlin.test.*

fun main() { 
   //sampleStart 
   val stringA = "abcd"
val stringB = "zyx"
println(stringA zip stringB) // [(a, z), (b, y), (c, x)] 
   //sampleEnd
}
xxxxxxxxxx
 
val stringA = "abcd"
val stringB = "zyx"
println(stringA zip stringB) // [(a, z), (b, y), (c, x)] 
Open in Playground →
Target: JVMRunning on v.2.1.10

inline fun <V> CharSequence.zip(other: CharSequence, transform: (a: Char, b: Char) -> V): List<V>(source)

Returns a list of values built from the characters of this and the other char sequences with the same index using the provided transform function applied to each pair of characters. The returned list has length of the shortest char sequence.

Since Kotlin

1.0

Samples

import java.util.Locale
import kotlin.test.*

fun main() { 
   //sampleStart 
   val stringA = "abcd"
val stringB = "zyx"
val result = stringA.zip(stringB) { a, b -> "$a$b" }
println(result) // [az, by, cx] 
   //sampleEnd
}
xxxxxxxxxx
 
val stringA = "abcd"
val stringB = "zyx"
val result = stringA.zip(stringB) { a, b -> "$a$b" }
println(result) // [az, by, cx] 
Open in Playground →
Target: JVMRunning on v.2.1.10

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