Hi Geoff
I don't know the exact reason, but I guess it is because F# needs to maintain full interoperability with the rest of .NET. The bi-directional interoperability is one of the things that makes F# such a first class choice, and to do that the designers (of F#) needed to use the same basic types as the rest of .NET. Fortunately they included types for arbitrarily large numbers.
/Frank
I think those integer types inherit from System.IntXX
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I'm just wondering why there are so many integer types -- play nice with .NET? -- constrain range? -- performance? -- type inferencing?
In Smalltalk the usual hierarchy is:
Number
Float
Fraction
Integer
LargeInteger
SmallInteger
ScaledDecimal
with automatic behind the scenes conversion between large and small integers albeit with the associated execution speed penalties.
Once again just curious as to why a language with such deep mathematical roots seemingly bows so heavily to the hardware representation of integers.
Regards -- Geoff