implemented event and req

pkg/utils/atomic/example_test.go

@@ -0,0 +1,42 @@
+// Copyright (c) 2016 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package atomic_test
+
+import (
+	"fmt"
+	"utils.orly/atomic"
+)
+
+func Example() {
+	// Uint32 is a thin wrapper around the primitive uint32 type.
+	var atom atomic.Uint32
+
+	// The wrapper ensures that all operations are atomic.
+	atom.Store(42)
+	fmt.Println(atom.Inc())
+	fmt.Println(atom.CompareAndSwap(43, 0))
+	fmt.Println(atom.Load())
+
+	// Output:
+	// 43
+	// true
+	// 0
+}