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Add commands to manipulate an accumulation like a stack #103

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Tracked by #74
okamsn opened this issue Oct 20, 2021 · 1 comment · May be fixed by #107
Open
Tracked by #74

Add commands to manipulate an accumulation like a stack #103

okamsn opened this issue Oct 20, 2021 · 1 comment · May be fixed by #107

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@okamsn
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okamsn commented Oct 20, 2021

We require that only accumulation commands can edit the variable. While we do have generic commands like reduce and accumulate, it would still be convenient to have others.

Possible candidates:

  • (drop VAR N :at POS)
  • (pop VAR N) as alias of (drop VAR N :at start).
  • (drop-while VAR COND)
  • pop-while

Sinc these commands only modify, maybe they should leave initialization to other commands?
@okamsn
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okamsn commented Oct 28, 2021 •
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Also:

  • diff or difference for an operation like seq-difference
  • take and take-while for the opposite of drop

This was referenced Nov 6, 2021
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Create stack-based accumulation commands okamsn/loopy
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@okamsn