@@ -43,7 +43,15 @@ primitiveAtomFunctions = HS.fromList [
4343 atomFuncBody = body $ integerAtomFuncLessThan True >=> boolAtomNot},
4444 AtomFunction { atomFuncName = "not",
4545 atomFuncType = [BoolAtomType, BoolAtomType],
46− atomFuncBody = body $ \(b:_) -> boolAtomNot b }
46+ atomFuncBody = body $ \(b:_) -> boolAtomNot b },
47+ AtomFunction { atomFuncName = "int",
48+ atomFuncType = [IntegerAtomType, IntAtomType],
49+ atomFuncBody = body $ \(IntegerAtom v:_) -> if v < fromIntegral (maxBound :: Int) then
50+ pure (IntAtom (fromIntegral v))
51+ else
52+ Left InvalidIntBoundError
53+ }
54+
4755 ]
4856 where
4957 body = AtomFunctionBody Nothing