misc: moved graph module to experimental branch for now

modules/graph/stack.go

@@ -1,47 +0,0 @@
-package graph
-
-import "sync"
-
-type entry struct {
-	data interface{}
-	next *entry
-}
-
-type Stack struct {
-	lock *sync.Mutex
-	head *entry
-	Size int
-}
-
-func (stk *Stack) Push(data interface{}) {
-	stk.lock.Lock()
-
-	element := new(entry)
-	element.data = data
-	temp := stk.head
-	element.next = temp
-	stk.head = element
-	stk.Size++
-
-	stk.lock.Unlock()
-}
-
-func (stk *Stack) Pop() interface{} {
-	if stk.head == nil {
-		return nil
-	}
-	stk.lock.Lock()
-	r := stk.head.data
-	stk.head = stk.head.next
-	stk.Size--
-
-	stk.lock.Unlock()
-
-	return r
-}
-
-func NewStack() *Stack {
-	stk := new(Stack)
-	stk.lock = &sync.Mutex{}
-	return stk
-}