Merge pull request #291 from Magro28/linkedlistgo

Add linked list for int32 in go

data structures/linked list/go/linkedlistint32.go

@@ -0,0 +1,37 @@
+package linkedlistint32
+
+import "fmt"
+
+type Element struct {
+	Value int32
+	Next  *Element
+}
+
+type LinkedListInt32 struct {
+	First *Element
+	Last  *Element
+}
+
+func (ll *LinkedListInt32) push(value int32) {
+	newElement := Element{Value: value, Next: nil}
+
+	if ll.First == nil {
+		ll.First = &newElement
+	}
+	if ll.Last == nil {
+		ll.Last = &newElement
+	} else {
+		ll.Last.Next = &newElement
+		ll.Last = &newElement
+	}
+}
+
+func print(ll LinkedListInt32) {
+	var element = ll.First
+	for element.Next != nil {
+		fmt.Printf("%v ",element.Value);
+		element = element.Next
+	}
+	fmt.Printf("%v ",element.Value);
+}
+

data structures/linked list/go/linkedlistint32_test.go

@@ -0,0 +1,34 @@
+package linkedlistint32
+
+import (
+	_ "testing"
+	"testing"
+)
+
+func Test(t *testing.T) {
+	var ll LinkedListInt32
+	ll.push(11)
+	ll.push(12)
+	ll.push(55)
+	ll.push(67)
+	print(ll)
+
+	if ll.First == nil {
+		t.Error("first element is empty")
+	}
+	if ll.First.Value != 11 {
+		t.Error("first element is not 11")
+	}
+
+	if ll.First.Next.Value != 12 {
+		t.Error("second element is not 12")
+	}
+
+	if ll.First.Next.Next.Value != 55 {
+		t.Error("third element is not 55")
+	}
+
+	if (ll.Last.Value != 67){
+		t.Error("last element is not 67")
+	}
+}