Исходники и презентации

lessons/strings/mutate_string_2/main.go

@@ -0,0 +1,26 @@
+package main
+
+import "unsafe"
+
+func action() {}
+
+func main() {
+	var str = "go"
+	newStr := str + "-go"
+
+	strData := unsafe.StringData(str)
+	newStrData := unsafe.StringData(newStr)
+
+	println("action:", action)
+	println("strData:", strData)
+	println("newStrData:", newStrData)
+
+	slice := unsafe.Slice(strData, len(str))
+	newSlice := unsafe.Slice(newStrData, len(newStr))
+
+	newSlice[0] = 'G'
+	println("newStr:", newStr)
+
+	slice[0] = 'G'
+	println("str:", str)
+}