Quickscript of the day: Extract to function

[Laurent]

Have you ever wanted to extract a block of code out of its context and wrap it in a function?

Have you ever *not* done it because of the cognitive load(*) of figuring out the function arguments and the return values?

Well, now it's as easy as Ctrl-Shift-X and Ctrl-Shift-Y. Using check-syntax, the extract-function and put-function scripts figure out what goes in and out for you.

Video: https://www.youtube.com/watch?v=XinMxDLZ7Zw

`raco pkg install quickscript-extra` to install, or 

`raco pkg update quickscript-extra` if it's already installed.

(*) a.k.a. laziness ;) 

[Dexter Lagan]

Nice!! Yay for laziness.

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[Andre Garzia]

that is really cool! thanks for sharing!

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[Stephen De Gabrielle]

Awesome - keep them coming.

You should feature one in each Racket-News! 

Stephen

On Thu, 7 May 2020 at 10:33, Laurent <laurent...@gmail.com> wrote:

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[Laurent]

Major update:

- put-function is much faster, by triggering check-syntax as early as possible and avoiding its re-computation.

- More warnings and error reporting (in particular regarding mutated variables).

- Added more information at the top of the script file, in particular some caveats.

Please report bugs here:

https://github.com/Metaxal/quickscript-extra/issues

If you have already installed this: 

raco pkg update quickscript-extra

and if DrRacket is open, click on "Scripts | Manage scripts | Unload persistent scripts" to restart the script.