- if not(t1 == t2) then fail "The parameters for the binary operator aren't equal"
- else if inList o [Eq,NEq] then return TBool
- else if not(t1 == TInt) then fail "The parameters need to be of type int"
- else if inList o [Plus,Minus,Times,Div]
- then return TInt
- else return TBool
+ assert (t1 == t2) "The parameters for the binary operator aren't equal"
+ if inList o [Eq,NEq] then return TBool
+ else do
+ assert (t1 == TInt) "The parameters need to be of type int"
+ if inList o [Plus,Minus,Times,Div]
+ then return TInt
+ else return TBool