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.NET Nullable Trilogy

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dion

Posts: 5028
Nickname: dion
Registered: Feb, 2003

Dion Almaer is the Editor-in-Chief for TheServerSide.com, and is an enterprise Java evangelist
.NET Nullable Trilogy Posted: Feb 3, 2005 2:07 PM
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Luca Bolognese has put up a three part series on .NET's Nullable<T>. In his posts he describes the reasons behind three design choices: Why not just use SQL semantics for null? Why null == null doesn't imply null >= null and null <= null? Why inside a generic class with a type parameter t the expression t == null will return false, when t is a nullable type and the value of it is null. Part One: Why not just SQL? Part Two: a == b -> a>=b && a <=b ? Part Three: Nullable as type parameter in a generic class Will Java have a Nullable?

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