From dc7fbdc42800bac0642849a1f4aeaa1f2afc4361 Mon Sep 17 00:00:00 2001
From: Rob Pike <r@golang.org>
Date: Fri, 6 Feb 2009 14:32:09 -0800
Subject: add a trivial visitor method, just for fun

R=gri
DELTA=31  (30 added, 1 deleted, 0 changed)
OCL=24568
CL=24575
---
 src/lib/container/array/array.go | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/lib/container/array/array.go')

diff --git a/src/lib/container/array/array.go b/src/lib/container/array/array.go
index 768e46d3a..e29736fb6 100644
--- a/src/lib/container/array/array.go
+++ b/src/lib/container/array/array.go
@@ -140,6 +140,13 @@ func (p *Array) Slice(i, j int) *Array {
 }
 
 
+func (p *Array) Do(f func(elem Element)) {
+	for i := 0; i < len(p.a); i++ {
+		f(p.a[i])	// not too safe if f changes the Array
+	}
+}
+
+
 // Convenience wrappers
 
 func (p *Array) Push(x Element) {
-- 
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