Hash#select() : select() is a Hash class method which finds the array from the hash based on the block condition.
Ruby
Output :
Ruby
Output :
Syntax: Hash.select() Parameter: Hash values block condition Return: 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"
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"
Hash b select form : {"a"=>100}
Hash c select form : {"a"=>100}