From 19aecba1d5ae30411ddb1bc885da33d12d2eafd8 Mon Sep 17 00:00:00 2001
From: Fazlul Shahriar <fshahriar@gmail.com>
Date: Sun, 20 Mar 2011 11:45:43 -0700
Subject: [PATCH] flag: document Nflag function

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4279065
---
 src/pkg/flag/flag.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/pkg/flag/flag.go b/src/pkg/flag/flag.go
index 4e57e0f099..14f4d522c6 100644
--- a/src/pkg/flag/flag.go
+++ b/src/pkg/flag/flag.go
@@ -289,6 +289,7 @@ func failf(format string, a ...interface{}) {
 	os.Exit(2)
 }
 
+// NFlag returns the number of flags that have been set.
 func NFlag() int { return len(flags.actual) }
 
 // Arg returns the i'th command-line argument.  Arg(0) is the first remaining argument