[Haskell-cafe] Haskell Propeganda

[Johannes Waldmann]

> The ECMA Eiffel standard has
>     ?T    either a void reference or a reference to an instance of T
>     !T    a reference to an instance of T
>      T    same as !T in ECMA Eiffel; used to be same as ?T

similarly, C# "invented" Maybe and called it Nullable:
http://msdn.microsoft.com/en-us/library/1t3y8s4s(VS.80).aspx

NB: this is very good "propaganda" also in the sense that
as a teacher you can say: if you learn Haskell now,
with high probability you are learning things that will appear
in following years' versions of C#/Java/whatever.

Best regards, J.W.

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