update slices

MyGragmmar/myslices.go

@@ -0,0 +1,30 @@
+package main
+
+import "fmt"
+
+func main() {
+	s := make([]string, 3)
+	fmt.Println(s)
+
+	s[0] = "a"
+	s[1] = "b"
+	s[2] = "c"
+	fmt.Println("set ", s)
+	fmt.Println("get ", s[2])
+
+	// 长度
+	fmt.Println(len(s), cap(s))
+
+	s = append(s, "1")
+	s = append(s, "4", "5")
+	fmt.Println("s: ", s)
+
+	// 复制
+	t := make([]string, len(s))
+	copy(t, s)
+	fmt.Println("t: ", t)
+
+	// 切片 [ : )
+	l := s[2:]
+	fmt.Println("l: ", l)
+}