[Haskell-cafe] RebindableSyntax on individual do blocks

Sumit Sahrawat, Maths & Computing, IIT (BHU) sumit.sahrawat.apm13 at iitbhu.ac.in
Mon Jun 22 18:56:36 UTC 2015

I don't know anything about indexed monads, but it seems that you can use
the 'where' keyword to rebind (>>) and return for any block you want [1].

An example from [1]:

addNumbers = do
  where (>>) = (+)

It might be possible to generate this where block using TH.
There is also a quasi-quoter available for indexed-do-notation [2].

[2]: https://github.com/fumieval/indexed-do-notation

On 23 June 2015 at 00:09, Mark Roberts <markandrusroberts at gmail.com> wrote:

> I have a program that uses both monads and indexed monads, and I'd like to
> use do-notation for each in the same source file. Is there a way to rebind
> syntax for only the do blocks that make use of an indexed monad?
> Thanks,
> Mark
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Sumit Sahrawat
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