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[micro.git] / cmd / micro / stack.go

diff --git a/cmd/micro/stack.go b/cmd/micro/stack.go
index c7c8fd787fc52fc488f15d3f667b65b6aba3c0ae..070bd76920d274fbcbb3a632b34d2a988f37666f 100644 (file)
--- a/cmd/micro/stack.go
+++ b/cmd/micro/stack.go
@@ -1,43 +1,43 @@
 package main
 
-// Stack is a simple implementation of a LIFO stack
+// Stack is a simple implementation of a LIFO stack for text events
 type Stack struct {
-       top  *Element
-       size int
+       Top  *Element
+       Size int
 }
 
 // An Element which is stored in the Stack
 type Element struct {
-       value interface{} // All types satisfy the empty interface, so we can store anything here.
-       next  *Element
+       Value *TextEvent
+       Next  *Element
 }
 
 // Len returns the stack's length
 func (s *Stack) Len() int {
-       return s.size
+       return s.Size
 }
 
 // Push a new element onto the stack
-func (s *Stack) Push(value interface{}) {
-       s.top = &Element{value, s.top}
-       s.size++
+func (s *Stack) Push(value *TextEvent) {
+       s.Top = &Element{value, s.Top}
+       s.Size++
 }
 
 // Pop removes the top element from the stack and returns its value
 // If the stack is empty, return nil
-func (s *Stack) Pop() (value interface{}) {
-       if s.size > 0 {
-               value, s.top = s.top.value, s.top.next
-               s.size--
+func (s *Stack) Pop() (value *TextEvent) {
+       if s.Size > 0 {
+               value, s.Top = s.Top.Value, s.Top.Next
+               s.Size--
                return
        }
        return nil
 }
 
 // Peek returns the top element of the stack without removing it
-func (s *Stack) Peek() interface{} {
-       if s.size > 0 {
-               return s.top.value
+func (s *Stack) Peek() *TextEvent {
+       if s.Size > 0 {
+               return s.Top.Value
        }
        return nil
 }