//arrow-fx-coroutines/arrow.fx.coroutines/Resource/Companion/invoke
common operator fun <A> invoke(acquire: suspend () -> A, release: suspend (A, ExitCase) -> Unit): Resource<A>
Construct a Resource from an allocating function acquire and a release function release.
import arrow.fx.coroutines.*
suspend fun acquireResource(): Int = 42.also { println("Getting expensive resource") }
suspend fun releaseResource(r: Int, exitCase: ExitCase): Unit = println("Releasing expensive resource: $r, exit: $exitCase")
suspend fun main(): Unit {
//sampleStart
val resource = Resource(::acquireResource, ::releaseResource)
resource.use {
println("Expensive resource under use! $it")
}
//sampleEnd
}
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