[Haskell-cafe] Re: Trying to write 'safeFromInteger'

[Ben Franksen]

Jason Dagit wrote:

> On Wed, Apr 8, 2009 at 9:26 AM, david48 <dav.vire+haskell at gmail.com>
> wrote:
>>
>>
>> On Wed, Apr 8, 2009 at 2:55 PM, Neil Mitchell <ndmitchell at gmail.com>
>> wrote:
>>>
>>> That seems a really weird way to write it! Who decided all auxiliary
>>> functions should be called go? (I think I'm blaming dons) - why not:
>>>
>>> sffi :: (Integral a,Num a) => Integer -> Maybe a
>>> sffi n | toInteger n2 == n = Just n2
>>> | otherwise = Nothing
>>> where n2 = fromInteger n
>>
>> I know I was too lazy to clean it up :-P
>> ( I also blame Dons for 'go' )
> 
> I think the Common Lisp community tends to use 'foo-aux' instead of
> 'go' for these sort of axillary functions.  But, then in Haskell we
> can't use hyphen as an identify character and underscore is not
> popular.  For this reason I started using fooAux in Haskell, but after
> learning that a single quote is valid identifier character I started
> using foo'.
> 
> Other than using go and foo', what do people use in Haskell?

You could combine Lisp and Haskell and say foo'aux :-)

Cheers
Ben