31 lines
484 B
Text
31 lines
484 B
Text
functor
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export
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New
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Push
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Pop
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Empty
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define
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fun {New}
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{NewCell nil}
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end
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proc {Push Stack Element}
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NewStack
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%% Use atomic swap for thread safety
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OldStack = Stack := NewStack
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in
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NewStack = Element|OldStack
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end
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proc {Pop Stack ?Result}
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NewStack
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%% Use atomic swap for thread safety
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OldStack = Stack := NewStack
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in
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Result|NewStack = OldStack
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end
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fun {Empty Stack}
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@Stack == nil
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end
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end
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