Proposal: Add concatMapM function (#2042)

[Bulat Ziganshin]

Hello Roman,

Friday, February 1, 2008, 11:03:36 AM, you wrote:

>> the right way to deal with "modifiers" is to attach them to the Handle
>> itself like this:
>> 
>> f <- openFile "name" >>= withLocking >>= withEncoding utf8

> IMO, global state is never "the right way" if it can be avoided. It will
> always lead to problems. Especially in a functional language like Haskell.

so you propose something like this:

s <- readString "/path/filename" TextMode "utf8" line_num

? :)  please read http://haskell.org/haskellwiki/Library/Streams
- it's not what you have imagined reading this example


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