Исходники и презентации

lessons/maps/update_value/main.go

@@ -0,0 +1,22 @@
+package main
+
+type client struct {
+	name    string
+	surname string
+}
+
+func updateSurname(data map[int]client, id int, surname string) {
+	object := data[id] // copy
+	object.surname = surname
+	data[id] = object // copy
+
+	// data[id].surname = surname -> compilation error
+}
+
+func updateSurnameByPointer(data map[int]*client, id int, surname string) {
+	data[id].surname = surname
+}
+
+func updateSurnamesSlice(data map[int][]string, id int, surname string) {
+	data[id][5] = surname
+}