strftime.go
func repl(match string, t time.Time) string {
	if match == "%%" {
		return "%"
	}

	formatFunc, ok := formats[match]
	if ok {
		return formatFunc(t)
	}
	return formatNanoForMatch(match, t)
}
func repl(match string, t time.Time) string {
	if match == "%%" {
		return "%"
	}

	formatFunc, ok := formats[match]
	if ok {
		return formatFunc(t)
	}
	return formatNanoForMatch(match, t)
}
func repl ( match string , t time . Time ) string { if match == " " { return " " } formatFunc , ok := formats [ match ] if ok { return formatFunc ( t ) } return formatNanoForMatch ( match , t ) }
// repl replaces % directives with right time
repl replaces % directives with right time