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22 lines
427 B
Plaintext
22 lines
427 B
Plaintext
/stack
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var/list/contents=new
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/stack/proc/Push(value)
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contents+=value
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/stack/proc/Pop()
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if(!contents.len) return null
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. = contents[contents.len]
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contents.len--
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/stack/proc/Top() //returns the item on the top of the stack without removing it
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if(!contents.len) return null
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return contents[contents.len]
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/stack/proc/Copy()
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var/stack/S=new()
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S.contents=src.contents.Copy()
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return S
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/stack/proc/Clear()
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contents.Cut()
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