Merging of bits in Golang

.gitignore

@@ -0,0 +1,2 @@
+./.idea
+/.idea

binary_routines/binary.go

@@ -92,6 +92,30 @@ func TestBit(num1 interface{}, bit uint8) (bool, error) {
 	}
 }
 
+// MergeInt8Numbers Combines two unsigned 8-bit numbers into 16-bit unsigned number
+// The first number occupies the first 8 bits while the other occupies the rest
+func MergeInt8Numbers(num1, num2 uint8) uint16 {
+	result := uint16(num1) & 0xF << 8
+	fmt.Printf("First Chunk - %016b\n", result)
+	result |= uint16(num2) & 0xF
+	fmt.Printf("Final Chunk - %016b\n", result)
+
+	return result
+}
+
+// MergeIPAddress Merge Parts of an IP address into a single 32bit number
+func MergeIPAddress(part1, part2, part3, part4 uint8) uint32 {
+	ipAddress := uint32(part1) & 0xFF << 24
+	fmt.Printf("After First Chunk  Added- %032b\n", ipAddress)
+	ipAddress |= uint32(part2) & 0xFF << 16
+	fmt.Printf("After Second Chunk  Added- %032b\n", ipAddress)
+	ipAddress |= uint32(part3) & 0xFF << 8
+	fmt.Printf("After Third Chunk  Added- %032b\n", ipAddress)
+	ipAddress |= uint32(part4) & 0xFF
+	fmt.Printf("After Final Chunk  Added- %032b\n", ipAddress)
+	return ipAddress
+}
+
 // Variadic OR takes a variadic argument of a number of integers, performs a logical OR against all
 // of those integers and returns the result
 func VariadicOr(input ...int) int {

binary_routines/binary_test.go

@@ -108,3 +108,63 @@ func TestTestBit(t *testing.T) {
 		}
 	})
 }
+
+func TestMergeInt8Numbers(t *testing.T) {
+	type args struct {
+		num1 uint8
+		num2 uint8
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "Test 1",
+			args: args{
+				num1: 10,
+				num2: 10,
+			},
+			want: "0000101000001010",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := MergeInt8Numbers(tt.args.num1, tt.args.num2); fmt.Sprintf("%016b", got) != tt.want {
+				t.Errorf("MergeInt8Numbers() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestMergeIPAddress(t *testing.T) {
+	type args struct {
+		part1 uint8
+		part2 uint8
+		part3 uint8
+		part4 uint8
+	}
+	tests := []struct {
+		name string
+		args args
+		want uint32
+	}{
+		{
+			name: "127.0.0.1",
+			args: args{
+				part1: 127,
+				part2: 0,
+				part3: 0,
+				part4: 1,
+			},
+			want: 0x7f000001,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := MergeIPAddress(tt.args.part1, tt.args.part2, tt.args.part3, tt.args.part4); got != tt.want {
+				t.Errorf("MergeIPAddress() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

go.mod

@@ -0,0 +1,3 @@
+module go-bit-routines
+
+go 1.19