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roterdam / heron-language

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Non-nullable types by default #3

Open GoogleCodeExporter opened 8 years ago

GoogleCodeExporter commented 8 years ago 
All types should prevent being assigned null, unless the special form "Type?" 
is used.

Original issue reported on code.google.com by cdiggins on 3 Dec 2009 at 4:30

GoogleCodeExporter commented 8 years ago

Original comment by cdiggins on 3 Dec 2009 at 4:38

GoogleCodeExporter commented 8 years ago 
You'd be in good company with this decision, at least:
http://qconlondon.com/london-2009/presentation/Null+References:+The+Billion+Doll
ar+Mistake

Original comment by mark.bes...@gmail.com on 3 Dec 2009 at 4:59