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-rw-r--r--src/pkg/container/heap/example_intheap_test.go47
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diff --git a/src/pkg/container/heap/example_intheap_test.go b/src/pkg/container/heap/example_intheap_test.go
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--- a/src/pkg/container/heap/example_intheap_test.go
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@@ -1,47 +0,0 @@
-// Copyright 2012 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.
-
-// This example demonstrates an integer heap built using the heap interface.
-package heap_test
-
-import (
- "container/heap"
- "fmt"
-)
-
-// An IntHeap is a min-heap of ints.
-type IntHeap []int
-
-func (h IntHeap) Len() int { return len(h) }
-func (h IntHeap) Less(i, j int) bool { return h[i] < h[j] }
-func (h IntHeap) Swap(i, j int) { h[i], h[j] = h[j], h[i] }
-
-func (h *IntHeap) Push(x interface{}) {
- // Push and Pop use pointer receivers because they modify the slice's length,
- // not just its contents.
- *h = append(*h, x.(int))
-}
-
-func (h *IntHeap) Pop() interface{} {
- old := *h
- n := len(old)
- x := old[n-1]
- *h = old[0 : n-1]
- return x
-}
-
-// This example inserts several ints into an IntHeap, checks the minimum,
-// and removes them in order of priority.
-func Example_intHeap() {
- h := &IntHeap{2, 1, 5}
- heap.Init(h)
- heap.Push(h, 3)
- fmt.Printf("minimum: %d\n", (*h)[0])
- for h.Len() > 0 {
- fmt.Printf("%d ", heap.Pop(h))
- }
- // Output:
- // minimum: 1
- // 1 2 3 5
-}