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Numbers #6

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lorenzleutgeb opened this issue Nov 9, 2022 · 0 comments
Open

Numbers #6

lorenzleutgeb opened this issue Nov 9, 2022 · 0 comments

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@lorenzleutgeb
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lorenzleutgeb commented Nov 9, 2022 •
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Reasoning about programs that involve (literal) numbers is currently not possible.

Scope

We restrict ourselves to fixed width signed integers. Unsigned integers, arbitrary length integers and anything non-integer (fixed decimal, floating, rational, ...) is out of scope.

Width [bit] Native Haskell Java
16 Int16 Data.Int.Int16 Short or short
32 Int32 Data.Int.Int32 Integer or int
64 Int64 Data.Int.Int64 Long or long

Grammar, Parsing

The input grammar already allows numeral expressions. However, the visitor will throw as soon as it encounters such an expression.

Typing

TODO

Implementation

TODO
lorenzleutgeb added a commit that referenced this issue Nov 14, 2022
@lorenzleutgeb
tcr/num: Introduce Num typeclass and Int64 type
c17d425 
Towards #6
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