[Haskell-cafe] Wishful thinking: a text editor that expands function applications into function definitions

Michael Snoyman michael at snoyman.com
Thu Apr 2 22:33:26 EDT 2009

2009/4/3 Duane Johnson <duane.johnson at gmail.com>

> Perhaps it wouldn't be as all-wonderful as I think, but as a "new" Haskell
> user, I am constantly switching back and forth between various definitions
> of things trying to compare documentation and files...
> The purpose of "expansion" as I was explaining it is not to *permanently
> replace* what is in the text, but rather to *temporarily replace* it.  I
> imagine it kind of like a "zoom in" for code.  You could "zoom in" on one
> function, and seeing a new function that you don't recognize, "zoom in"
> again, and so on.  Once done, you would hit "ESC" to make it all return as
> it was.

Sounds exactly like the F9 feature in Excel (that's where you got the idea,
right?). I can personally attest that it can be an incredibly useful

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