The Third Stack

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DLosc

03:48

@DJMcMayhem et al: Is/are the command-line flag(s) documented anywhere? I couldn't find anything on the GitHub.

DJMcMayhem

04:07

@DLosc Ah, that's an oversight. Tbh, I pretty much never use the debug flags

In the meantime, they are documented here:

A: Tips for Golfing in Brain-Flak

Use Debug flags You might not know it because we haven't written it anywhere but Brain-Flak has debug flags and they are really useful. They can be placed anywhere in the code and will run when the command line flag -d is present. Here is a quick rundown of the debug flags. Most flags come in...

DLosc

Good to know--but actually, I was primarily talking about -A, which seems to be used quite often.

DJMcMayhem

@DLosc Oh whoops

Try the -h flag Try it online!

(under debug)

DLosc

Ha, okay. ^_^

Partially I'm researching which flags you used because I think a similar set will be useful for my recent language BitCycle.

15 hours later…

Wheat Wizard

19:02

Hello all. As you all probably know Brain-Flak's Birthday is on the 29th of next month so I though we could make a challenge to celebrate. I would like to brainstorm ideas now and sandbox it by the end of the month for the whole site to see.

Riker

DJMcMayhem

@WheatWizard Really? I though it was April 30

Wheat Wizard

Here are somethings I criteria *I* think would be important to se in a potential challenge:
1. Low Bar of entry
I think that everyone should be able to participate regardless of their knowledge of brain-Flak
2. Brain-Flakiness
It should obviously be related to Brain-Flak

@DJMcMayhem github says 29th

DJMcMayhem

github.com/DJMcMayhem/Brain-Flak/commit/…

Wheat Wizard

Oh my bad I though April was after February

Ok meet you guys next month then

Riker

19:06

hahaha

DJMcMayhem

19:19

→ 6 messages moved to Vim-golf

2 hours later…

DJMcMayhem

21:45

Thirty byte multiplication (Positive only)

I'm not positive if it's fully stack clean or not. It adds the product to the top of the alternate stack

Riley

@DJMcMayhem I wouldn't call that stack clean

DJMcMayhem

Drat

Riley

Definitely useful though

DJMcMayhem

So to make it stack clean, you just need to prepend (<>)<>

Riley

({}<>)

append

DJMcMayhem

21:53

No, that doesn't help at all

Riley

It would be {({}[()]<(({})<>{})><>)}{}{}<>({}<>) which is the same length as the other one that was on the wiki

@DJMcMayhem What do you mean?

DJMcMayhem

If alternate stack had 3 and main stack had [3 4], you'd end up with 15 on the main stack

Prepending (<>)<> would give you [12, 3] on the alternate

Riley

@DJMcMayhem You're right, you'd need both. So it would be (<>)<>{({}[()]<(({})<>{})><>)}{}{}<>({}<>)

Otherwise, the answer (and your pointer) is on the wrong stack.

DJMcMayhem

I think it's allowed to end on the alternate stack, right?

Riley

Depends on your definition of stack clean. I think of it as a black box that you can drop in and end up where you were, but with the multiplication or whatever having happened.

DJMcMayhem

22:03

Well, I guess since it's already not stack safe, then this version counts too: Try it online!

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