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Commit 19aecba1 authored by Fazlul Shahriar's avatar Fazlul Shahriar Committed by Rob Pike
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flag: document Nflag function 

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4279065
parent 893e02ab
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src/pkg/flag/flag.go
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...@@ -289,6 +289,7 @@ func failf(format string, a ...interface{}) { ...@@ -289,6 +289,7 @@ func failf(format string, a ...interface{}) {
os.Exit(2) os.Exit(2)
} }
// NFlag returns the number of flags that have been set.
func NFlag() int { return len(flags.actual) } func NFlag() int { return len(flags.actual) }
// Arg returns the i'th command-line argument. Arg(0) is the first remaining argument // Arg returns the i'th command-line argument. Arg(0) is the first remaining argument
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