{"id":1379,"date":"2011-08-14T21:25:52","date_gmt":"2011-08-15T04:25:52","guid":{"rendered":"https:\/\/simpleprogrammer.com\/?p=1379"},"modified":"2018-04-12T01:38:32","modified_gmt":"2018-04-12T05:38:32","slug":"making-switch-refactorings-better-defaultable-dictionary","status":"publish","type":"post","link":"https:\/\/simpleprogrammer.com\/making-switch-refactorings-better-defaultable-dictionary\/","title":{"rendered":"Making Switch Refactorings Better – Defaultable Dictionary"},"content":{"rendered":"

I\u2019ve written before on the idea of refactoring a switch<\/a> to a Map or Dictionary.<\/p>\n

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There is one major problem that I have been running into though.\u00a0 Switch statements and dictionaries are not functionally equivalent for one major reason\u2026<\/p>\n

Switches allow for default<\/h2>\n

I kept struggling with this when I would implement a dictionary to replace a switch.\u00a0 How can I deal with the default case?<\/p>\n

There are of course many ways to deal with the default case in a dictionary or map, but I didn\u2019t really like any of the solutions because they either required me to remember to check to see if my entry was in the dictionary before looking it up, or to rely on catching an exception.<\/p>\n

Let me give you an example:<\/p>\n

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