stack-array.go

package main

import "fmt"

type Stack struct {
    size int
    position int
    items []int
}

func newStack(size int) Stack {
    return Stack{position: -1, items: make([]int, size)}
}

func (stack *Stack) push(value int) {
    stack.position++
    stack.items[stack.position] = value;
}

func (stack *Stack) pop() int {
    value := stack.items[stack.position]
    stack.position--
    return value
}

func (stack Stack) isEmpty() bool {
    if stack.position >= 0 {
        return false
    }
    return true
}

func (stack Stack) top() int{
    return stack.items[stack.position]
}


func main() {
    stack := newStack(10)

    stack.push(1)
    stack.pop()

    stack.push(2)
    stack.push(3)
    stack.push(4)
    stack.push(5)

    for !stack.isEmpty(){
        value := stack.pop()
        fmt.Println(value);
    }

}