22 lines
376 B
Go
22 lines
376 B
Go
package shsh
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type TokenStack struct {
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buffer []*Token
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capacity int
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}
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func (s *TokenStack) Push(v *Token) {
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s.capacity++
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s.buffer = append(s.buffer, v)
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}
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func (s *TokenStack) Pop() *Token {
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if s.capacity <= 0 {
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return nil
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}
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s.capacity--
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res := s.buffer[len(s.buffer) - 1]
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s.buffer = s.buffer[:len(s.buffer) - 1]
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return res
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}
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