func CharAtF(index int) func(string) string {
	return func(s string) string {
		return CharAt(s, index)
	}
}
func CharAtF(index int) func(string) string {
	return func(s string) string {
		return CharAt(s, index)
	}
}
func CharAtF ( index int ) func ( string ) string { return func ( s string ) string { return CharAt ( s , index ) } }
// CharAtF is the filter form of CharAt.
CharAtF is the filter form of CharAt .