<waj>
don't you prefer to use "abstract" and have compile time errors?
<jhass>
I prefer mixins over inheritance but that's another story
<jhass>
and all I'm getting at is that it would be funny construct for code examples. if foo; ...; else do_bar(); end;
<jhass>
;)
<jhass>
abstract is "I never intend to implement this, you should". yada-yada is "I will implement this later/I have no idea what to place here but there should be something there"
<waj>
I see
<jhass>
so any yada-yada could just abort the compiler
<waj>
Yup, it looks funny :)
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<travis-ci>
manastech/crystal#1667 (master - c07e738 : Juan Wajnerman): The build passed.
<jnoah>
a couple things about strings (and arrays). can strings be treated like character arrays and given arrays, can they be sliced like arrays in python? e.g. my_string[1:] would result in all, but the first character of my_string
<jnoah>
my_string = "bob"; print my_string[1:] # ob
<jnoah>
if not, how would one do something similar?
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<waj>
a String is represented in memory as UTF-8
<waj>
you can iterate chars in a String using "each_char" for example
<jnoah>
but you cannot index into a string?
<jnoah>
or slice a string?
<waj>
yes
<waj>
just like in Ruby
<waj>
mystring[1..-1]
<jnoah>
ah, alright. thanks :)
* jnoah
is not very familiar with ruby
<jnoah>
just went through the codecademy stuff today. my language of choice is python :/
<waj>
in Ruby (and Crystal) mystring[1..-1] would return "ob" for your example
<waj>
and mystring[1..-2] would return just "o"
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<jnoah>
awesome, thanks! yeah, i just wrote up a test.cr to try it out
<jnoah>
worked like a charm
<waj>
I need to get some sleep. Thank you for joining us! ;)
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<jnoah>
what is all the .crystal/[...]/test.cr/ stuff?
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<jnoah>
how does one pass arguments to crystal scripts?
<jnoah>
scratch that. also, O_O i just found the browser option for crystal. that is exciting
<jnoah>
ohey, can crystal not read files yet?
<jnoah>
nvm, ruby calls it readlines while crystal calls it read_lines
<jnoah>
I understand why the write fails, but the File.each_line part is failing... http://pastebin.com/xXsP1yDY - what am I doing wrong there?
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<asterite>
jnoah: wow, one moment you had issues with File.read_lines, the other you sent a message to this channel from a program :-P
<asterite>
The error you got, “undefined constant T (did you mean ‘C’?)”… it’s very confusing, it should say something like “Array is generic”. We’ll improve it
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<travis-ci>
manastech/crystal#1669 (master - 5a99c4d : Ary Borenszweig): The build was broken.