> > :1:1:
> > Ambiguous type variable `a' in the constraint:
> > `Read a' arising from a use of `read' at :1:1-4
> > Probable fix: add a type signature that fixes these type variable(s)
>
> What the error message says is, it doesn't know which type to read to.
> read has the type Rea
> I would like to ask something that results in when I have the following
> commands
> data Color = Red | Green | Blue | Indigo | Violet deriving (Enum,Show,Read)
> (read.show) x
>
> :1:1:
> Ambiguous type variable `a' in the constraint:
> `Read a' arising from a use of `read' at :1:
Hello,
I would like to ask something that results in when I have the following
commands
data Color = Red | Green | Blue | Indigo | Violet deriving (Enum,Show,Read)
(read.show) x
:1:1:
Ambiguous type variable `a' in the constraint:
`Read a' arising from a use of `read' at :1:1-4
Pro