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sav08:program_memory_as_graph [2009/03/18 10:38] vkuncak |
sav08:program_memory_as_graph [2015/04/21 17:30] (current) |
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Variables in program state: | Variables in program state: | ||
- | \[ | + | \begin{equation*} |
next,prev : Obj \to Obj | next,prev : Obj \to Obj | ||
- | \] | + | \end{equation*} |
Total functions (as in predicate logic, to make all variables well-defined). | Total functions (as in predicate logic, to make all variables well-defined). | ||
+ | |||
+ | We define: | ||
+ | next(null)=null | ||
Special value (constant): $null \in Obj$ | Special value (constant): $null \in Obj$ |