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Re: Viewing derivation output in the store
From: |
Ludovic Courtès |
Subject: |
Re: Viewing derivation output in the store |
Date: |
Thu, 28 Apr 2022 09:30:26 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) |
Hi!
Josselin Poiret <dev@jpoiret.xyz> skribis:
> As an aside: is there anything preventing us from having do notation à
> la Haskell? This could help bridge mlet and mbegin with >>=, which in
> its current form is impractical. Here's what it could look like:
>
> (mdo %store-monad
> (drv <- (gexp-derivation "myderivation" test-gexp))
> (output <- (return (derivation->output-path drv)))
> (built-derivations (list drv))
> (return (format #t "~a~%" output)))
I guess we could do that, though it seems to me like a marginal
improvement over ‘mbegin’ and ‘mlet’.
Ludo’.