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27 lines
456 B
Go
27 lines
456 B
Go
package stack
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// Stack is a stack interface for integers.
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type Stack struct {
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Push func(int)
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Pop func() int
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Length func() int
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}
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// NewStack returns a new stack of integers
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func NewStack() Stack {
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slice := make([]int, 0)
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return Stack{
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Push: func(i int) {
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slice = append(slice, i)
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},
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Pop: func() int {
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res := slice[len(slice)-1]
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slice = slice[:len(slice)-1]
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return res
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},
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Length: func() int {
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return len(slice)
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},
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}
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}
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