Array::each works different than ruby

[jsaak]

given this program

[[1,"A"],[2,"B"]].each do |a,b|
  puts a
  puts b
end

$ crystal test.cr
[1, "A"]

[2, "B"]

$ ruby test.cr   
1
A
2
B

i have not seen anywhere mentioning that this will work differently
i am not sure if this is a bug or intentional
(i would not miss this feature of ruby very much)

[jhass]

This is because Crystal has no autosplat. I'm closing this as a duplicate of #392 since it won't ever happen for nested arrays. Also related to #132

[jsaak]

please indicate somewhere in documentation , that this is the expected behaviour

[jhass]

I guess we should add it to https://github.com/manastech/crystal/wiki/Crystal-for-Rubyists

[jsaak]

yup, no one else in the world would try this, only rubyists

[Nakilon]

Try what? Doesn't for i, j in a work in Python?