Исходники и презентации

lessons/maps/mapaccess/main.go

@@ -0,0 +1,12 @@
+package main
+
+func main() {
+	data := map[int]int{100: 10000}
+	value := data[100]
+	_ = value
+
+	// under hood
+	// pk := unsafe.Pointer(&key)
+	// pv := runtime.mapaccess1(typeOf(data), data, pk)
+	// value := *(*int)(pv)
+}