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| author | Ondřej Surý <ondrej@sury.org> | 2012-06-14 13:23:46 +0200 |
|---|---|---|
| committer | Ondřej Surý <ondrej@sury.org> | 2012-06-14 13:23:46 +0200 |
| commit | 917c5fb8ec48e22459d77e3849e6d388f93d3260 (patch) | |
| tree | 9c23734a6ffd4d2a8ac99502eda3cc812a8b130b /src/pkg/flag/flag.go | |
| parent | 0003ee229fd33ff46cb5f2fe1e35f5c0284debc4 (diff) | |
| download | golang-917c5fb8ec48e22459d77e3849e6d388f93d3260.tar.gz | |
Imported Upstream version 1.0.2upstream/1.0.2
Diffstat (limited to 'src/pkg/flag/flag.go')
| -rw-r--r-- | src/pkg/flag/flag.go | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/pkg/flag/flag.go b/src/pkg/flag/flag.go index f0842a18a..5444ad141 100644 --- a/src/pkg/flag/flag.go +++ b/src/pkg/flag/flag.go @@ -620,8 +620,9 @@ func (f *FlagSet) Var(value Value, name string, usage string) { flag := &Flag{name, usage, value, value.String()} _, alreadythere := f.formal[name] if alreadythere { - fmt.Fprintf(f.out(), "%s flag redefined: %s\n", f.name, name) - panic("flag redefinition") // Happens only if flags are declared with identical names + msg := fmt.Sprintf("%s flag redefined: %s", f.name, name) + fmt.Fprintln(f.out(), msg) + panic(msg) // Happens only if flags are declared with identical names } if f.formal == nil { f.formal = make(map[string]*Flag) |