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34 lines
571 B
Go
34 lines
571 B
Go
5 months ago
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// Copied from https://gist.github.com/hedhyw/d52bfdc27befe56ffc59b948086fcd9e
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package stack
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type Stack[T any] struct {
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elements []T
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}
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func NewStack[T any](capacity int) *Stack[T] {
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return &Stack[T]{
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elements: make([]T, 0, capacity),
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}
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}
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func (s *Stack[T]) Push(el T) {
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s.elements = append(s.elements, el)
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}
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func (s *Stack[T]) Len() int {
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return len(s.elements)
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}
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func (s *Stack[T]) Pop() (el T, ok bool) {
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if len(s.elements) == 0 {
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return el, false
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}
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end := len(s.elements) - 1
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el = s.elements[end]
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s.elements = s.elements[:end]
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return el, true
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}
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