feat: add the number package

number/base.go

@@ -0,0 +1,26 @@
+package number
+
+type Number interface {
+	int | int8 | int16 | int32 | int64 |
+		uint | uint8 | uint16 | uint32 | uint64 | uintptr
+}
+
+func NumLen[T Number](number T) T {
+	if number == 0 {
+		return 1
+	}
+
+	var count T = 0
+	if number < 0 {
+		for number < 0 {
+			number /= 10
+			count++
+		}
+	} else {
+		for number > 0 {
+			number /= 10
+			count++
+		}
+	}
+	return count
+}