feat(sync): set minimum go version as 1.18;

Author: lif0

sync/CHANGELOG.md

@@ -9,6 +9,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 ### Changed
 
+## [v2.0.1] 2025-10-26
+### Added
+- Set minimum go version as 1.18
+
 ## [v2.0.0] 2025-10-23
 ### Added
 - Set minimum go version as 1.22

sync/README.md

@@ -30,7 +30,7 @@ For full documentation, see [https://pkg.go.dev/github.com/lif0/pkg/sync](https:
 
 ## ⚙️ Requirements
 
-- **go 1.22 or higher**
+- **go 1.18 or higher**
 
 ## 📦 Installation
 

sync/go.mod

@@ -1,6 +1,6 @@
 module github.com/lif0/pkg/sync
 
-go 1.22
+go 1.18
 
 require (
 	github.com/petermattis/goid v0.0.0-20250904145737-900bdf8bb490

sync/reentrant_mutex_test.go

@@ -65,7 +65,7 @@ func TestMutualExclusion(t *testing.T) {
 	rm := NewReentrantMutex()
 
 	wg := sync.WaitGroup{}
-	for range 1_000 {
+	for i := 0; i < 1000; i++ {
 		wg.Add(1)
 
 		go func() {