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-rw-r--r--content/slices/prog080.go21
1 files changed, 21 insertions, 0 deletions
diff --git a/content/slices/prog080.go b/content/slices/prog080.go
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+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+ "fmt"
+)
+
+func main() {
+ slice := make([]int, 10, 15)
+ fmt.Printf("len: %d, cap: %d\n", len(slice), cap(slice))
+ newSlice := make([]int, len(slice), 2*cap(slice))
+ for i := range slice {
+ newSlice[i] = slice[i]
+ }
+ slice = newSlice
+ fmt.Printf("len: %d, cap: %d\n", len(slice), cap(slice))
+ // OMIT
+}