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Diffstat (limited to 'flag.go')
-rw-r--r--flag.go18
1 files changed, 18 insertions, 0 deletions
diff --git a/flag.go b/flag.go
index f9984fb..6ea0c48 100644
--- a/flag.go
+++ b/flag.go
@@ -319,6 +319,18 @@ func (f *FlagSet) Lookup(name string) *Flag {
return f.lookup(f.normalizeFlagName(name))
}
+// ShorthandLookup returns the Flag structure of the short handed flag, returning nil if none exists.
+func (f *FlagSet) ShorthandLookup(name string) *Flag {
+ if name == "" {
+ return nil
+ }
+ if len(name) > 1 {
+ panic("can't look up for a shorthand with name more than one character")
+ }
+ c := name[0]
+ return f.shorthands[c]
+}
+
// lookup returns the Flag structure of the named flag, returning nil if none exists.
func (f *FlagSet) lookup(name NormalizedName) *Flag {
return f.formal[name]
@@ -399,6 +411,12 @@ func Lookup(name string) *Flag {
return CommandLine.Lookup(name)
}
+// ShorthandLookup returns the Flag structure of the short handed flag,
+// returning nil if none exists.
+func ShorthandLookup(name string) *Flag {
+ return CommandLine.ShorthandLookup(name)
+}
+
// Set sets the value of the named flag.
func (f *FlagSet) Set(name, value string) error {
normalName := f.normalizeFlagName(name)