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<havenwood>
But do just ask! IRC is async and folk won't know if they can answer until you ask and will answer in due time. :)
<havenwood>
As they say, "don't ask to ask."
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<perrierjouet>
hi all in emacs I get
<perrierjouet>
starting emacs I get no such file or directory ~/.rbenv/version
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<havenwood>
perrierjouet: Is it in your $PATH?
<perrierjouet>
havenwood: .rbenv/shims yes but not .rbenv/versions
<perrierjouet>
I have in .zshrc eval "$(rbenv init - zsh)"
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<ox1eef>
perrierjouet: does that file or directory exist? and is it, .rbenv/versions or .rbenv/version ? you mentioned both so far. are you also certain emacs is using zsh and not sh?
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<perrierjouet>
ox1eef: how to make emacs use zsh instead of sh ?
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<caleb>
how's everyone doing today?
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<ox1eef>
hello caleb - just fine, and you?
<caleb>
I'm pretty good, thanks!
<caleb>
channel seemed a little quiet, first time I've really looked at it since the move from freenode.
<caleb>
and even then I mostly idled
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<caleb>
just left my job at PBS to go to shopify, finally gonna get to do ruby professionally again
<caleb>
missed that a lot
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<ox1eef>
that's great, congratulations. yeah, #ruby is largely quiet these days, still an odd burst of discussions but often replies can be 12 hours or more apart.
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<adam12>
caleb: Congrats on the move.
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<adam12>
It's funny how conversation ebbs and flows in here. Some days it's incredibly hopping, and others not a peep.
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<caleb>
has there been any big community movements around adoption of steep/rbi vs sorbet?
<adam12>
There's a "framework" that ships with RBI support. And some community gems (the Evil Martian ones) are adopting them as well. I still find some issues around Steep and features I use (like argument forwarding). I can never get a project fully typed because of it.
<ox1eef>
but ruby is a dynamic scripting language, aren't they're other languages better suited if you want a strong type system
<ox1eef>
s/they're/there/g
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<adam12>
I think just having a better IDE experience would make people happy. I'm not sure people necessarily want Steep vs just having a great Solargraph experience.
<adam12>
I'd agree in some ways. I'm not huge on auto-complete, but if I'm in some_object and I can't think of the method name, it would be nice to just auto-complete it out.
<adam12>
I've said it before in this channel, but I just type my edges using Dry::Types/Dry::Schema. I normally don't care about types inside my app, only when I can't trust that I receive what I expect, and to ensure I sent what the other party expects. It works well.
<adam12>
The whole "write less tests" seems bullshit because I care almost always that the code works correctly, not that it returns the expected type.
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<adam12>
There are two great testing paradigms that have been of value lately. The first is James Shore's Nullable Infrastructure / Socialable tests. He has a video series on it (based on Javascript but you can see the overlap). The second is the Eventide's Project of the Doctrine of Usable Objects (and more specifically, Substitutable Objects). Both well
<caleb>
doing that across several codebases for several years, once you cross the 80% coverage threshold, the number of production failures dropped off
<caleb>
never wrote a test that checked for types ¯\_(ツ)_/¯
<ox1eef>
there are benefits to be had from a type system, but i think it imposes limits as well and ruby is not really a language of limits so it will be interesting to see how it plays out
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<bogn>
Hi all, what would be the way to write a block and get the call-stack for a call in that block? I want to achieve this: `record_trace(file) { some_method }` so that every call made in some_method is written to a file.
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<leftylink>
if you asked me to write that, I would use TracePoint to do it
<ox1eef>
bogn: https://0x1eef.github.io/x/trip.rb might help you, but built into ruby itself is set_trace_func and TracePoint, both of those should fit the bill, and TracePoint is recommended. The event you are interested in is probably b_call, and b_return for finding when the block is call, and returned from
<ox1eef>
called*
<ox1eef>
c_call, rb_call, c_return, rb_return can be used to find method calls and returns in that block.
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<bogn>
I'll give trip.rb a try
<ox1eef>
in that case, i will push a new gem because what the readme describes is not how the released version is, iirc
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<bogn>
Successfully installed trip.rb-3.0.2
<ox1eef>
that's old, i just pushed v4.0.0 but it seems to be taking a few to propagate
<ox1eef>
gem info -r trip.rb shows v4.0.0 now
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<John_Ivan>
would anyone happen to know if sinatra supports the return/response of a ruby list?
<John_Ivan>
I get a NoMethodError.
<bogn>
@ox1eef sort of works so far, my problem is that what's traced has a postgres transaction which now causes foreign key violations with this. I guess I will try manually using TracePoint.
<caleb>
I've built some make shift elixir equivalent supervisors and genservers for a project
<caleb>
and was looking at finally giving up for elixir proper
<havenwood>
caleb: I've played with it and use Rinda::TupleSpace from time to time.
<adam12>
At one point I think it was used as part of the job queue at Twitter (ages ago; pre 2010). You'll often find it as the RPC mechanism for interacting with some Ruby daemons (Puma maybe via puma_ctl? Some of the old process managers like god/bluepill).
<havenwood>
caleb: Have you watched the pirate game DRb talk?
<adam12>
It had some annoying bugs until recently; jeremyevans squashed a few threading bugs a while ago.
<adam12>
I think _why had an interesting talk at one of the old Rubyconf's where he'd let people druby:// to his machine and change the music playing, light colours, etc.
<caleb>
is there anything jeremy doesn't do?
<caleb>
man is prolific
<adam12>
Definitely a Ruby superstar.
<caleb>
> Some of the old process managers like god/bluepill).
<caleb>
simpler times, god and capistrano
<adam12>
Indeed. God watching over my Mongrels.
<adam12>
Tho I've been code spelunking some old projects lately and I forgot how much Ruby was the wild west. It's definitely much better now.
<caleb>
zed shaw and the mongrel/rails drama was 14 years ago
<caleb>
damn
<ox1eef>
ha wow, that's a throw back
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<caleb>
he posted it in 2008 when twitter was getting on their feet and my favorite line from that post was
<caleb>
"I swear if someone says they’re starting a social network I’m gonna beat them with the heal of my shoe"
<ox1eef>
drama is best avoided
<caleb>
agreed
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<ox1eef>
John_Ivan: it sounds like you want to serialize your data, and that JSON would be a good fit.
<ox1eef>
if i remember right, returning a string at the end of a route's block will send the string as the response body, so you could do: JSON.dump(obj)
<ox1eef>
bogn: oh sorry, i missed that comment. sounds like an interesting case, if threads are involved that might be why - trip can only trace single-threaded code reliably.
<bogn>
trace = TracePoint.new(:call, :b_call) do |tp|
<ox1eef>
cool :)
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<ox1eef>
and right, ruby call/return is just :call or :return rather than :rb_call, or :rb_return
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<John_Ivan>
ox1eef, oh ok. thanks.
<ox1eef>
no worries
<John_Ivan>
ox1eef, I was under the assumption that sinatra had wrappers just like returning a string for arrays as well
<John_Ivan>
I guess not.
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<bogn>
The actual reason I want to trace it is the complexity of things involved which make step-debugging a pain. There's tons of calls and transactions etc. involved. Even without all of the Rails or rspec calls its still 400 calls. Now I can diff two tracefiles why the second invocation is different.
<ox1eef>
the response body can be whatever you want, in terms of format, json is probably most commonly agreed upon
<John_Ivan>
ox1eef, that's what I thought until I got an error.
<ox1eef>
bogn: nice
<ox1eef>
John_Ivan: well, the only condition is that the response body ultimately has to be a string, and the consumer of the string has to know what it is and how to parse it