Safe Haskell | Safe |
---|---|
Language | Haskell98 |
Documentation
Opaque values.
Useful if you want to put something without a Show
instance inside
something which you'd like to be able to display.
For example:
data Ref v = Ref (v (Opaque (IORef Int)))
Safe Haskell | Safe |
---|---|
Language | Haskell98 |
Opaque values.
Useful if you want to put something without a Show
instance inside
something which you'd like to be able to display.
For example:
data Ref v = Ref (v (Opaque (IORef Int)))