xomrk/highlevel-try-finally.kt
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 3 Wiki Activity

[history] Added try-else behaviour

Browse Source
This commit is contained in:
Andrew Golovashevich 2025-02-25 01:24:33 +03:00
parent 15146e02aa
commit 1b9bf5e49f
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/commonMain/kotlin/ru/landgrafhomyak/utility/highlevel_try_finally/safe_autoclose.kt
View File

@ -3,21 +3,27 @@ package ru.landgrafhomyak.utility.highlevel_try_finally
import kotlin.contracts.InvocationKind
import kotlin.contracts.contract
inline fun <R> safeAutoClose(onError: () -> Unit = {}, action: () -> R): R {
inline fun <R> safeAutoClose(onError: () -> Unit = {}, onSuccess: () -> Unit = {}, action: () -> R): R {
contract {
callsInPlace(action, InvocationKind.EXACTLY_ONCE)
callsInPlace(onError, InvocationKind.AT_MOST_ONCE)
callsInPlace(onSuccess, InvocationKind.EXACTLY_ONCE)
}
val ret: R
var wasError = false
try {
ret = action()
} catch (e1: Throwable) {
wasError = true
try {
onError()
} catch (e2: Throwable) {
e1.addSuppressed(e2)
}
throw e1
} finally {
if (!wasError)
onSuccess()
}
return ret
}