Answers for "retrieve keys on nested hashs ruby"

Ruby

1

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

Posted by: Guest on December-13-2020

Source

Code answers related to "retrieve keys on nested hashs ruby"

Code answers related to "Ruby"

Browse Popular Code Answers by Language

Python

Javascript

Whatever

Shell/Bash

CSS

Html

PHP

SQL

Java

C#