Ruby | Hash select() method
Hash#select() : select() is a Hash class method which finds the array from the hash based on the block condition.
Syntax: Hash.select()
Parameter: Hash values
block conditionReturn: array from the hash based on the block condition.
Example #1 :
# Ruby code for Hash.select() 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 } # select Value puts "Hash a select form : #{a.select {|key, value| key < " b "}}\n\n" |
Output :
Hash a select form : {"a"=>100}
Example #2 :
# Ruby code for Hash.select() method # declaring Hash value b = { "a" => 100 } # declaring Hash value c = { "a" => 100 , "c" => 300 , "b" => 200 } # select Value puts "Hash b select form : #{b.select{|key, value| value < 200}}\n\n" puts "Hash c select form : #{c.select{|key, value| key < " b "}}\n\n" |
Output :
Hash b select form : {"a"=>100} Hash c select form : {"a"=>100}