Quick GoLang solution to task 1

4 files changed, 66 insertions, 0 deletions

diff --git a/challenge-119/lance-wicks/golang/go.mod b/challenge-119/lance-wicks/golang/go.mod
new file mode 100644
index 0000000000..7c4009854a
--- /dev/null
+++ b/challenge-119/lance-wicks/golang/go.mod
@@ -0,0 +1,5 @@
+module nibble
+
+go 1.16
+
+require github.com/stretchr/testify v1.7.0
diff --git a/challenge-119/lance-wicks/golang/go.sum b/challenge-119/lance-wicks/golang/go.sum
new file mode 100644
index 0000000000..acb88a48f6
--- /dev/null
+++ b/challenge-119/lance-wicks/golang/go.sum
@@ -0,0 +1,11 @@
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/challenge-119/lance-wicks/golang/nibble.go b/challenge-119/lance-wicks/golang/nibble.go
new file mode 100644
index 0000000000..ef571262d3
--- /dev/null
+++ b/challenge-119/lance-wicks/golang/nibble.go
@@ -0,0 +1,26 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+)
+
+func NSwap(n int) int {
+	bin := fmt.Sprintf("%08b", n)
+
+	a := bin[0:4]
+	b := bin[4:8]
+
+	c := b + a
+
+	d, _ := strconv.ParseInt(c, 2, 64)
+	return int(d)
+}
+
+func main() {
+	n, _ := strconv.Atoi(os.Args[1])
+	fmt.Println("Input:  $N = " + os.Args[1])
+	fmt.Print("Outut: ")
+	fmt.Println(NSwap(n))
+}
diff --git a/challenge-119/lance-wicks/golang/nibble_test.go b/challenge-119/lance-wicks/golang/nibble_test.go
new file mode 100644
index 0000000000..9fdc859571
--- /dev/null
+++ b/challenge-119/lance-wicks/golang/nibble_test.go
@@ -0,0 +1,24 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSwap(t *testing.T) {
+
+	t.Run("Example 1", func(t *testing.T) {
+		got := NSwap(101)
+		want := 86
+
+		assert.Equal(t, got, want)
+	})
+
+	t.Run("Example 2", func(t *testing.T) {
+		got := NSwap(18)
+		want := 33
+
+		assert.Equal(t, got, want)
+	})
+}