No Global Variables
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| − | [[Riel's heuristics|Riel's heuristic 8.1]] | + | * [[Riel's heuristics|Riel's heuristic 8.1]] |
| − | + | * [[Singleton]] | |
| − | [[Singleton]] | + | |
Revision as of 04:50, 7 October 2008
Enough said.
Global variables are an instant source of unpredictable coupling. Short of searching all your source code for references to a global variable you can never quite be sure who is setting it to what value and are they playing fair.
