[Haskell-cafe] Implicit concatenation in list comprehensions

[Bulat Ziganshin]

Hello Neil,

Tuesday, July 21, 2009, 1:26:55 PM, you wrote:

>>  ++ [ "-i"      | not (null (ghcOptSearchPath opts)) ]
>>  ++ [ "-i", dir | dir <- ghcOptSearchPath opts ]

> Following the discussions, I now support this extension too - I keep
> seeing more and more places in my code where it would be very useful.

>>  ++        [ "-i"        | not (null (ghcOptSearchPath opts)) ]
>>  ++ concat [ ["-i", dir] | dir <- ghcOptSearchPath opts ]



-- 
Best regards,
 Bulat                            mailto:Bulat.Ziganshin at gmail.com