Proposal: Add concatMapM function (#2042)

Bulat Ziganshin bulat.ziganshin at
Fri Feb 1 05:34:28 EST 2008

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
- it's not what you have imagined reading this example

Best regards,
 Bulat                            mailto:Bulat.Ziganshin at

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