Ruby | Hash dig() function

Hash#dig() is a Hash class method which finds the nested value which is specified by the sequence of the key object by calling dig at each step.

Syntax: Hash.dig()

Parameter: Hash values



Return: nested value which is specified by the sequence of the key object by calling dig at each step. otherwise nil

Example #1 :

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# Ruby code for Hash.dig() method
  
# declaring Hash value
a = {a:100, b:200}
  
# declaring Hash value
b = {a:100, c:300, b:200}
  
# declaring Hash value
c = {a:100}
  
  
# Dig Value
puts "Hash a dig form : #{a.dig(:a)}\n\n"
  
puts "Hash b dig form : #{b.dig(:c)}\n\n"
  
puts "Hash c dig form : #{c.dig(:a)}\n\n"

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Output :

Hash a dig form : 100

Hash b dig form : 300

Hash c dig form : 100

Example #2 :

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# Ruby code for Hash.dig() method
  
# declaring Hash value
a = { "a" => 100, "b" => 200 }
  
# declaring Hash value
b = {"a" => 100}
  
# declaring Hash value
c = {"a" => 100, "c" => 300, "b" => 200}
  
  
# Dig Value
puts "Hash a dig form : #{a.dig("a")}\n\n"
  
puts "Hash b dig form : #{b.dig("a")}\n\n"
  
puts "Hash c dig form : #{c.dig("b")}\n\n"

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Output :

Hash a dig form : 100

Hash b dig form : 100

Hash c dig form : 200



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