kotlin-stdlib/kotlin.concurrent.atomics/fetchAndDecrement

fetchAndDecrement

@ExperimentalAtomicApi
fun AtomicInt.fetchAndDecrement(): Int(source)

Atomically decrements the current value of this AtomicInt by one and returns the old value.

Since Kotlin

2.1

Samples

import kotlin.concurrent.atomics.*
import kotlin.concurrent.thread

fun main() { 
   //sampleStart 
   val a = AtomicInt(7)
println(a.fetchAndDecrement()) // 7
println(a.load()) // 6 
   //sampleEnd
}
@ExperimentalAtomicApi
fun AtomicLong.fetchAndDecrement(): Long(source)

Atomically decrements the current value of this AtomicLong by one and returns the old value.

Since Kotlin

2.1

Samples

import kotlin.concurrent.atomics.*
import kotlin.concurrent.thread

fun main() { 
   //sampleStart 
   val a = AtomicLong(7)
println(a.fetchAndDecrement()) // 7
println(a.load()) // 6 
   //sampleEnd
}