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speed-of-thought-lisp

Write clojure at the speed of thought.

This defines a new local minor-mode sotclojure-mode, which is activated by the global speed-of-thought-mode on any clojure buffers.

The mode is quite simple, and is composed of two parts:

Abbrevs

A large number of abbrevs which expand function initials to their name. A few examples:

  • wl -> when-let [|]
  • n -> not
  • wo -> with-open
  • np -> number? (the p stands for predicate)
  • ck -> :keys [|] (the c stands for colon)

Note that, in order to avoid frustration, the 1-letter abbrevs will only expand after a ( or after a /, so you can still use 1-letter local variables like a and n.

Commands

It also defines 4 commands, which really fit into this “follow the thought-flow” way of writing. The bindings are as follows:

M-RET
Break line, and insert () with point in the middle.
C-RET
Do forward-up-list, then do M-RET.

Hitting RET followed by a ( was one of the most common key sequences for me while writing elisp, so giving it a quick-to-hit key was a significant improvement.

C-c f
Find function under point. If it is not defined, create a

definition for it below the current function and leave point inside.

With these commands, you just write your code as you think of it. Once you hit a “stop-point” of sorts in your tought flow, you hit C-c f/v on any undefined functions/variables, write their definitions, and hit C-u C-SPC to go back to the main function.

Small Example

With the above (assuming you use something like paredit or electric-pair-mode), if you write:

(wl SPC {ck SPC x C-f C-RET (a SPC (np SPC y C-f SPC (f SPC y

You get

(when-let [{:keys [x]}
           (and (number? y) (first y))])

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Write clojure at the speed of thought.

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