Added linkedlist

Author: Santo

Linkedlist.go

@@ -0,0 +1,88 @@
+package main
+
+import "fmt"
+
+type node struct {
+	v int
+	next *node
+}
+
+var head *node = nil
+
+func (l *node) pushFront(val int) *node {
+	if head == nil {
+		l.v = val
+		l.next = nil
+		head = l
+		return l
+	} else {
+		nnode := new(node)
+		nnode = head
+
+		nnode2 := &node {
+			v: val,
+			next: nnode,
+		}
+		head = nnode2
+		return head
+	}
+}
+
+func (l *node) pushBack(val int) *node {
+	if head == nil {
+		l.v = val
+		l.next = nil
+		head = l
+		return l
+	} else {
+		for l.next != nil {
+			l = l.next
+		}
+
+		l.next = new(node)
+		l.next.v = val
+		l.next.next = nil
+		return l
+	}
+}
+
+func (l *node) popFront() *node {
+	if head == nil {
+		return head
+	}
+
+	cpnode := new(node)
+	cpnode = head.next
+	head = cpnode
+
+	return head
+}
+
+func (l *node) popBack() *node {
+	if head == nil {
+		return head
+	}
+
+	cpnode := new(node)
+	cpnode = head
+
+	for cpnode.next.next != nil {
+		cpnode = cpnode.next
+	}
+
+	cpnode.next = nil
+	return head
+}
+
+func main() {
+	lista := new(node)
+	lista.pushBack(25).pushBack(24).pushBack(32)
+	lista.pushBack(56)
+	lista.pushFront(36)
+	lista.popFront()
+	lista.popBack()
+	for head != nil {
+		fmt.Printf("%d ",head.v)
+		head = head.next
+	}
+}