General programming language support for nullable types
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United States of America Patent
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Jan 12, 2010
Grant Date -
Mar 9, 2006
app pub date -
Sep 7, 2004
filing date -
Sep 7, 2004
priority date (Note) -
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Abstract
The subject invention relates to systems and methods that provide null capabilities within the context of programming languages. In one aspect, a system is provided that facilitates null-support in various programming languages. The system includes one or more types associated with at least one programming language. A type modifier is provided to signal that the type is nullable. The type modifier enables a multi-element structure to be automatically created in association with the type wherein, the multi-element structure includes the type and a Boolean element indicating whether or not the variable is null.
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