package main
import "fmt"
// Stack structure
type Stack struct {
items []interface{}
}
// Push adds an item to the stack
func (s *Stack) Push(item interface{}) {
s.items = append(s.items, item)
}
// Pop removes and returns the top item from the stack
func (s *Stack) Pop() interface{} {
if len(s.items) == 0 {
fmt.Println("Stack is empty!")
return nil
}
top := s.items[len(s.items) - 1]
s.items = s.items[:len(s.items) - 1]
return top
}
func main() {
stack := Stack{}
// Push items of different types
stack.Push(892)
stack.Push("Go")
stack.Push(3.14)
fmt.Println("Stack after pushes:", stack.items)
// Pop items from the stack
fmt.Println("Popped:", stack.Pop())
fmt.Println("Popped:", stack.Pop())
fmt.Println("Stack after pops:", stack.items)
}
/*
run:
Stack after pushes: [892 Go 3.14]
Popped: 3.14
Popped: Go
Stack after pops: [892]
*/
