705
718
return false, f.failf("flag provided but not defined: -%s", name)
709
722
if err := fv.Set(value); err != nil {
710
f.failf("invalid boolean value %q for -%s: %v", value, name, err)
723
return false, f.failf("invalid boolean value %q for -%s: %v", value, name, err)