util.go

package pure

func min(a, b int) int {
	if a <= b {
		return a
	}
	return b
}

func countParams(path string) uint8 {
	var n uint // add one just as a buffer
	for i := 0; i < len(path); i++ {
		if path[i] == paramByte || path[i] == wildByte {
			n++
		}
	}
	if n >= 255 {
		panic("too many parameters defined in path, max is 255")
	}
	return uint8(n)
}