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package complete
import (
"flag"
)
// Complete default command line flag set defined by the standard library.
func CommandLine() {
Complete(flag.CommandLine.Name(), FlagSet(flag.CommandLine))
}
// FlagSet returns a completer for a given standard library `flag.FlagSet`. It completes flag names,
// and additionally completes value if the `flag.Value` implements the `Predicate` interface.
func FlagSet(flags *flag.FlagSet) Completer {
return (*flagSet)(flags)
}
type flagSet flag.FlagSet
func (fs *flagSet) SubCmdList() []string { return nil }
func (fs *flagSet) SubCmdGet(cmd string) Completer { return nil }
func (fs *flagSet) FlagList() []string {
var flags []string
(*flag.FlagSet)(fs).VisitAll(func(f *flag.Flag) {
flags = append(flags, f.Name)
})
return flags
}
func (fs *flagSet) FlagGet(name string) Predictor {
f := (*flag.FlagSet)(fs).Lookup(name)
if f == nil {
return nil
}
p, ok := f.Value.(Predictor)
if !ok {
return PredictFunc(func(string) []string { return []string{""} })
}
return p
}
func (fs *flagSet) ArgsGet() Predictor { return nil }
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