Исходники и презентации

lessons/sync_primitives/rw_mutex_with_map/main.go

@@ -0,0 +1,23 @@
+package main
+
+import "sync"
+
+type Counters struct {
+	mu sync.RWMutex
+	m  map[string]int
+}
+
+func (c *Counters) Load(key string) (int, bool) {
+	c.mu.RLock()
+	defer c.mu.RUnlock()
+
+	value, found := c.m[key]
+	return value, found
+}
+
+func (c *Counters) Store(key string, value int) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	c.m[key] = value
+}