Method VisitAll

flag.go:304–322

VisitAll visits the flags in lexicographical order or in primordial order if f.SortFlags is false, calling fn for each. It visits all flags, even those not set.

(fn func(*Flag))

// in primordial order if f.SortFlags is false, calling fn for each.
// It visits all flags, even those not set.
func (f *FlagSet) VisitAll(fn func(*Flag)) {
	if len(f.formal) == 0 {
		return
	}

	var flags []*Flag
	if f.SortFlags {
		if len(f.formal) != len(f.sortedFormal) {
			f.sortedFormal = sortFlags(f.formal)
		}
		flags = f.sortedFormal
	} else {
		flags = f.orderedFormal
	}

	for _, flag := range flags {
		fn(flag)
	}
}

// HasFlags returns a bool to indicate if the FlagSet has any flags defined.
func (f *FlagSet) HasFlags() bool {