02:09 <FromGitter> <perfecto25> hi everyone, quick question, how would I run something like rsync in crystal, i cant find any libs or examples that do this. a simple rsync transfer between 2 hosts. Do I need to use C bindings for this?

02:11 <FromGitter> <domgetter> This "Using the Compiler" documentation mentions LTO: https://crystal-lang.org/reference/1.3/using_the_compiler/ but LTO was taken out of crystal some time ago, and it's still mentioned in the man page in crystal/man/crystal.1 in the main repo on the master branch. I didn't know what sort of issue to create to fix the issue

02:11 <FromGitter> <Blacksmoke16> pretty sure theres a PR to handle the book context

02:11 <FromGitter> <Blacksmoke16> @perfecto25 could always ofc just create a subprocess if bindings are not possible

02:12 <FromGitter> <perfecto25> @Blacksmoke16 yea ill try that, was wondering if theres a native lib available

02:13 <FromGitter> <Blacksmoke16> not saying there isnt, but dont know off the top of my head

19:22 <riza> ^

21:45 <zantrax> Hi there! is there a way to add a default value to a hash that I am using as a constant? similar to ruby {}.default?

21:45 <zantrax> My constant is something like:

21:45 <zantrax> Handler = { ".doc" => Text, ".jpg" => Image }

21:45 <zantrax> I want to make it so that if the key isn't on the constant, it returns NoResult or some other value

21:46 <FromGitter> <Blacksmoke16> Could just use the nilable getter

21:47 <FromGitter> <Blacksmoke16> Otherwise if you look at the hash type in the api docs there's a constructor that allows setting a hash wide default

21:47 <FromGitter> <Blacksmoke16> The fetch method also allows setting a default specific to that invocation

21:53 <zantrax> Right, that might be the way to go!

21:53 <zantrax> For reference, this is what I am trying to do:

21:53 <zantrax> HANDLER = { ".doc" => Text, ".jpg" => Image }

21:53 <zantrax> def self.read(input_file : String)

21:53 <zantrax>   extension = File.extname(input_file)

21:53 <zantrax>   HANDLER[extension].new(file).read

21:53 <zantrax> end

21:53 <zantrax> If an unsupported extension, would return NoResult kind of thing, but thats just a weird design from my side I think

21:57 <FromGitter> <Blacksmoke16> would it be better to leverage the mime type of the file versus just its extension

21:58 <FromGitter> <Blacksmoke16> assuming a `png` and `jpg` should be read the same based on your business logic

22:01 <FromGitter> <Blacksmoke16> but id say it depends on how you want things to work. having a method that raises on invalid and one that returns `nil` are quite common

23:31 <FromGitter> <moe:busyloop.net> that moment when you start putting `\`'s in front of your `{%`'s and you kinda know you're in trouble, but it's too good to stop.

23:32 <FromGitter> <Blacksmoke16> pro tip: https://crystal-lang.org/reference/1.3/syntax_and_semantics/macros/index.html#verbatim

23:32 <FromGitter> <moe:busyloop.net> lol

23:33 <FromGitter> <moe:busyloop.net> that took you almost 10 seconds!

23:33 <FromGitter> <Blacksmoke16> :S

23:33 <FromGitter> <moe:busyloop.net> high latency today, pfft

23:56 <FromGitter> <moe:busyloop.net> `Assertion failed: (isa<X>(Val) && "cast<Ty>() argument of incompatible type!"), function cast, file /var/cache/omnibus/src/llvm/llvm-10.0.0.src/include/llvm/Support/Casting.h, line 264.`

23:57 <FromGitter> <Blacksmoke16> nice

23:57 <FromGitter> <moe:busyloop.net> don't ask me how tho 😇