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/

Taupiqueur

@alexherbo2

do you have an example of use for iterator of?

https://crystal-lang.org/api/1.0.0/Iterator.html#of(element:T)-class-method

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@FromIRC

<jhass[m]> The single element overload specifically?

Quinton Miller

@HertzDevil

it seems to happen because you are adding a MacroId to that NamedTuple

this also breaks for example

A = [] of Int32
{% A << "1".id %}
A

Unhandled exception: can't execute `__temp_499[0] = 1` at eval:1:5: `1` has no type (Exception)

Nikolaii Lodenos

@lodenos

I’ve a little question about Int128 how work’s behing that’s use SSE4 or not ?

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@FromIRC

<kevinsjoberg> @HertzDevil should it break though?

<kevinsjoberg> Looking at the compiler code, it’s clear MacroId is the culprit, but I still think it should be able to deduce the type here.

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@FromIRC

<mfiano> Curious, why does crystal not have traditional block-level symbol table semantics?

George Dietrich

@Blacksmoke16

:shrug: maybe a better question for the forums?

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@FromIRC

<terminalpusher> where can I watch the recorded video of the Crystal 1.0 conference?

George Dietrich

@Blacksmoke16

they're not released publicly yet

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@FromIRC

<terminalpusher> alright then I will wait for longer

Benjamin Wade

@RespiteSage

Is there any way to use a module with macro included to include an inner class in a generic class which has an instance variable of the type of that generic class?

That was complicated to write, so here's an example: https://carc.in/#/r/bjqq

George Dietrich

@Blacksmoke16

@RespiteSage https://carc.in/#/r/bjra nice

i feel like what you have should work as i would think it would pick up T from the including type

respitesage

@respitesage:matrix.org

[m]

Huh. Yeah, I would also expect it to work.

George Dietrich

@Blacksmoke16

@RespiteSage crystal-lang/crystal#9488

respitesage

@respitesage:matrix.org

[m]

Ah, so that's the problem in your code. Mine is just a language semantics thing, I guess.

George Dietrich

@Blacksmoke16

are class methods not inherited?

A class inherits all instance variables and all instance and class methods of a superclass, including its constructors (new and initialize).

seems they should

George Dietrich

@Blacksmoke16

https://play.crystal-lang.org/#/r/bjrw nice

that doesn't seem right...

duplicate of crystal-lang/crystal#8093 prob

Quinton Miller

@HertzDevil

https://carc.in/#/r/bjtk

InnerClass must also be a generic

Taupiqueur

@alexherbo2

how about adding path.match?(pattern) to wrap around File.match?(pattern, path)? https://crystal-lang.org/api/1.0.0/File.html#match?(pattern:String,path:Path%7CString)-class-method

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@FromIRC

<mfiano> Hi again. I spent the last couple days reading the language reference and stdlib api docs. I think I could really become comfortable with this as a secondary language.

Taupiqueur

@alexherbo2

how to get the mime type from a file content?

George Dietrich

@Blacksmoke16

mfiano glad to hear

@alexherbo2 there's a MIME module you can use to get it from the filename/ext

but there isn't a method to do that based on content

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@FromIRC

<mfiano> Thanks, it really is nice, and seems to borrow a lot from my primary language, yet seems to check off the items I'm looking for

George Dietrich

@Blacksmoke16

primary lang being Ruby?

Taupiqueur

@alexherbo2

I'm having issues with file without extensions, like bash scripts, using shebangs.

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@FromIRC

<mfiano> No, Lisp :⁠)

George Dietrich

@Blacksmoke16

(()ah i see)()()

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@FromIRC

<mfiano> I tried Nim a couple years ago, but the compiler was very buggy for a 1.0 release, and the community was quite toxic.

George Dietrich

@Blacksmoke16

@alexherbo2 is a method that you can specify a default for those cases

if that helps

Taupiqueur

@alexherbo2

how to return from a capturing block?, I'm using next in my block, but would like to allow return

George Dietrich

@Blacksmoke16

did you try break?

Taupiqueur

@alexherbo2

https://crystal-lang.org/reference/syntax_and_semantics/capturing_blocks.html#break-and-next

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@FromIRC

<mfiano> I thought break and return cant be used

George Dietrich

@Blacksmoke16

crystal-lang/crystal#10546 related

yea, next is the thing to return from a block

Taupiqueur

@alexherbo2

I implemented a filter iterator, taking a block for filtering, but it looks odd that I can't use return in it

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