crystal-lang/crystal

The Crystal programming language | http://crystal-lang.org | Fund Crystal's development: http://is.gd/X7PRtI | Docs: http://crystal-lang.org/docs/ | API: http://crystal-lang.org/api/

George Dietrich

@Blacksmoke16

ahh where #2 generates kemal based routing stuff?

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@FromIRC

<SamantazFox_> yes

<SamantazFox_> that's something that was initiated by Matthew McGarvey, one of the Lucky devs

<SamantazFox_> And I'd like to improve it a bit in order to deduplicate authentication code, e.g

<SamantazFox_> (Though, currently I'm working on rewriting the database code, and this kind of improvements will be for the future)

George Dietrich

@Blacksmoke16

i think i'd be easier if you used classes with a parent type, or included another module into the controllers

https://play.crystal-lang.org/#/r/cdsw

should be enough to get you started

ofc could have diff annotations for each method or whatever :shrug:

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<SamantazFox_> @Blacksmoke16: nice, thanks :⁠)

<SamantazFox_> I'm not really familiar with includes, especially in modules ^^

George Dietrich

@Blacksmoke16

basically just using it so we can more easily get an array of the types we want

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@FromIRC

<SamantazFox_> mmh, I see

George Dietrich

@Blacksmoke16

other option would be to make the controllers a class/struct and use a parent type that you could do all_subclasses on

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@FromIRC

<SamantazFox_> as in class BaseRoute; end; class MyRoute < BaseRoute; end?

George Dietrich

@Blacksmoke16

essentially yea

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@FromIRC

<SamantazFox_> though, I was wondering what could be the performance impact of classes on a large codebase

George Dietrich

@Blacksmoke16

you'd never be instantiating them so prob not much diff than a module? :shrug:

they're both equivalent so using the module approach is prob fine for now

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@FromIRC

<SamantazFox_> mmmh nods

<SamantazFox_> Also, what's that {{debug}} you used in your example?

<SamantazFox_> first time I'm seeing this!

George Dietrich

@Blacksmoke16

just so that it would print the generated code to stdout

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<SamantazFox_> Damn, that's nice! Would have helped when I struggled with macros xD

George Dietrich

@Blacksmoke16

indeed :P super helpful

oprypin

@oprypin:matrix.org

[m]

hmm I'm having real difficulties coming purely from the fact that STDOUT is a constant although it doesn't have to be

ddd

@Dan-Do

It seems I cannot subtract 2 arrays

ary1 = [[2,3,4], [1,2,3]]
ary2 = [1,2,3]
pp! ary1 - ary2 # return ary1

ddd

@Dan-Do

Edit: I used it wrong. Should be ary2 = [[1,2,3]]

oprypin

@oprypin:matrix.org

[m]

yep, i straight up had to hack into the memory region that stores STDOUT
https://gist.github.com/cec2361269f965985fda49a78a3c80f2

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<yxhuvud> in Ruby there is both $stdout and STDOUT, where the difference is that one is the canonical stdout and one is possible to reassign. perhaps something similar would be a good idea?

Paulo Coghi

@paulocoghi

Has anyone successfully used github.com/naqvis/webview on Linux?

I can't run the simple examples, even after installing the required libs: naqvis/webview#4

Paulo Coghi

@paulocoghi

Since the original library works normally on my machine (compilation and execution of the C, C++ and even Go versions), I will try to recreate the Crystal binding. Wish me luck :smile:

oprypin

@oprypin:matrix.org

[m]

yxhuvud, it would certainly be a good idea, just that there are no globals

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<yxhuvud> perhaps better to build an api for temporary replacement for the three std ios. It may be reasonable to have some minor specializations on those 3.

oprypin

@oprypin:matrix.org

[m]

yxhuvud, it would also hugely help to allow these to be any IO, not only FileDescriptor. almost all of the complexity is also due to that.

https://gist.github.com/cec2361269f965985fda49a78a3c80f2

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<yxhuvud> well they can't be IO::Memory - they need to be backed by a file descriptor.

oprypin

@oprypin:matrix.org

[m]

yxhuvud, they can be IO anything which eventually calls to that FD-backed one

not even necessarily, if you purely want to intercept it

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@FromIRC

<yxhuvud> well you'd need a pipe or whatever in between

oprypin

@oprypin:matrix.org

[m]

not for the stdout case

it's all programmatic. any write call gets rewritten to a different write call and that's it

and i know about pipes because i certainly needed them in this latest example

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@FromIRC

<yxhuvud> unless you want to keep it compatible wth c extensions or whatever, but yeah

oprypin

@oprypin:matrix.org

[m]

ah yea for stuff that directly accesses STDOUT descriptor then you probably need reopen into a pipe

but i think avoiding a pipe+fiber is a more worthy goal than catering to stuff that bypasses official interfaces

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@FromIRC

<yxhuvud> both would probably be nice to have. for example to redirect std output for a c extension to avoid spamming the terminal

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<SamantazFox_> Hello there! How can I force some method override to take over something else?

George Dietrich

@Blacksmoke16

define it after the one you want to override

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<SamantazFox_> https://github.com/iv-org/invidious/pull/2695/files

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