Number reversal game: Difference between revisions
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Sub CheckStack get a value by reference. Because stack of values always get values, a reference is a copy of a weak reference, so in CheckStack a new variable defined as local ok, and get the reference from weak reference in stack. When a sub exit any new,including local variables removed (deleted). Subs are always local to Module, and have same scope as module scope. |
Sub CheckStack get a value by reference. Because stack of values always get values, a reference is a copy of a weak reference, so in CheckStack a new variable defined as local ok, and get the reference from weak reference in stack. When a sub exit any new,including local variables removed (deleted). Subs are always local to Module, and have same scope as module scope. |
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To display the values of stack we use Stack statement with no arguments. |
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<lang M2000 Interpreter> |
<lang M2000 Interpreter> |
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