From 5ac913381312f9063dce792d9833fa7e6249bbf1 Mon Sep 17 00:00:00 2001
From: Andrew Golovashevich <landgrafhomyak@gmail.com>
Date: Thu, 14 Aug 2025 03:09:40 +0300
Subject: [PATCH] Method to create child refcounters

---
 build.gradle.kts                              |  2 +-
 .../MayBeClosedReferenceCounter.kt            | 37 +++++++++++++++++++
 2 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/build.gradle.kts b/build.gradle.kts
index 2a846f2..f2a9eac 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -15,7 +15,7 @@ buildscript {
 }
 
 group = "ru.landgrafhomyak.utility"
-version = "0.3"
+version = "0.4"
 
 repositories {
 	mavenCentral()
diff --git a/src/commonMain/kotlin/ru/landrafhomyak/utility/reference_counter/MayBeClosedReferenceCounter.kt b/src/commonMain/kotlin/ru/landrafhomyak/utility/reference_counter/MayBeClosedReferenceCounter.kt
index 6771c9a..e70faf8 100644
--- a/src/commonMain/kotlin/ru/landrafhomyak/utility/reference_counter/MayBeClosedReferenceCounter.kt
+++ b/src/commonMain/kotlin/ru/landrafhomyak/utility/reference_counter/MayBeClosedReferenceCounter.kt
@@ -91,4 +91,41 @@ public sealed class MayBeClosedReferenceCounter {
 		else
 			return "<ref counter [${refcntCached}]>"
 	}
+
+	@Suppress("LEAKED_IN_PLACE_LAMBDA", "WRONG_INVOCATION_KIND")
+	@JvmName("child")
+	public fun <R> child(errMessageClosed: String, errExistRefs: String, scope: (MayBeClosedReferenceCounter) -> R): R {
+		contract {
+			callsInPlace(scope, InvocationKind.EXACTLY_ONCE)
+		}
+
+		_Platform.jvm_assertNotNull(errMessageClosed, "param: errMessageClosed")
+		_Platform.jvm_assertNotNull(errExistRefs, "param: errExistRefs")
+		_Platform.jvm_assertNotNull(scope, "param: scope")
+
+		this.withRef {
+			return CloseableReferenceCounter.autoClosed(
+				errMessageClosed = errMessageClosed,
+				errExistRefs = errExistRefs,
+				scope = scope
+			)
+		}
+	}
+
+	@Suppress("LEAKED_IN_PLACE_LAMBDA", "WRONG_INVOCATION_KIND")
+	@JvmName("child_inheritErrMessage")
+	public fun <R> child_inheritErrMessage(errExistRefs: String, scope: (MayBeClosedReferenceCounter) -> R): R {
+		contract {
+			callsInPlace(scope, InvocationKind.EXACTLY_ONCE)
+		}
+
+		_Platform.jvm_assertNotNull(errExistRefs, "param: errExistRefs")
+		_Platform.jvm_assertNotNull(scope, "param: scope")
+
+		return this.child(
+			errMessageClosed = this._errMessageClosed,
+			errExistRefs = errExistRefs,
+			scope = scope
+		)
+	}
 }
\ No newline at end of file