On Saturday 08 November 2003 04:31 am, Wolfgang Jeltsch wrote:
> Am Samstag, 8. November 2003, 00:22 schrieb Hamilton Richards:
> > Also note that
> >
> > if x then True else False
> >
> > is just a verbose way of writing
> >
> > x
>
> Actually, it's just a verbose way of writing x `seq` x,
Am new to haskell, however is this what you mean :
num <- getLine
let x = read num :: Int -- ??
Greets, Jad Saklawi
Tim Stitt wrote:
Can anyone tell me how to convert a value of type IO Int to a value of type
Int.
I wrote a simple script to read an integer from the u
Consider:
> class Thing t where
> thing :: t
>
> instance Thing Int where
> thing = 0
>
> instance Thing Char where
> thing = 'a'
Can someone please explain why
> fst (1,thing)
...gets an 'ambiguous type variable' error, but
> fst (1,undefined)
...doesn't? And is there anything I can ch
Tim Stitt writes:
| Can anyone tell me how to convert a value of type IO Int to a value of type
| Int.
|
| I wrote a simple script to read an integer from the user using IO and then
| the value is returned from the IO function using
|
| return value
|
| with a return type of IO Int.
|
Can anyone tell me how to convert a value of type IO Int to a value of type
Int.
I wrote a simple script to read an integer from the user using IO and then
the value is returned from the IO function using
return value
with a return type of IO Int.
In the calling function I wish to do a compari
It seems to me that a neater approach might be to create a list of powers
(squares) and see if it has any members in common with the list supplied.
Of course you have to deal with the issue of not knowing in advance how
many members of the list of squares will be needed... which can lead to
usi