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What does the `forall a -> b` syntax mean?
In GHCi, the kind of FUN is displayed like this:
λ> :k FUN
FUN :: forall (n :: Multiplicity) -> * -> * -> *
At first, I thought this was a roundabout way of saying
FUN :: Multiplicity -&g...
fluffyyboii
Votes: 0
Answers: 1
How can we use constraint in every individual element in an array in cplex?
Why is my forall loop not working to apply an constraint to all the individual values stored in my variable. For eg: if there are 100 values stored under a variable k, how can I apply the constraint ...
user18152152
Votes: 0
Answers: 1
`forall {..}` in GHC 9
This is valid syntax in GHC 9. What do the {..} mean (as distinct from (..) which GHC 8.10 requires here)?
ign :: forall {f :: Type -> Type} {p}. Applicative f => p -> f ()
ign _ = pure ()
Sridhar Ratnakumar
Votes: 0
Answers: 1
What is this GHC feature called? `forall` in type definitions
I learned that you can redefine ContT from transformers such that the r type parameter is made implicit (and may be specified explicitly using TypeApplications), viz.:
-- | Same as `ContT` but with th...
Sridhar Ratnakumar
Votes: 0
Answers: 1