typed.go
func (t Typed) StringsOr(key string, d []string) []string {
	n, ok := t.StringsIf(key)
	if ok {
		return n
	}
	return d
}
func (t Typed) StringsOr(key string, d []string) []string {
	n, ok := t.StringsIf(key)
	if ok {
		return n
	}
	return d
}
func ( t Typed ) StringsOr ( key string , d [ ] string ) [ ] string { n , ok := t . StringsIf ( key ) if ok { return n } return d }
// Returns an slice of strings, or the specified slice
// if the key doesn't exist or isn't a valid []string
Returns an slice of strings or the specified slice if the key doesn t exist or isn t a valid [] string