Ruby | Hash inspect() function Last Updated : 14 Sep, 2021 Comments Improve Suggest changes Like Article Like Report Hash#inspect() is a Hash class method which gives the string representation of hash. Syntax: Hash.inspect()Parameter: Hash valuesReturn: string representation of the hash Example #1 : Ruby # Ruby code for Hash.inspect() 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} # inspect Value puts "Hash a inspect form : #{a.inspect()}\n\n" puts "Hash b inspect form : #{b.inspect()}\n\n" puts "Hash c inspect form : #{c.inspect()}\n\n" Output : Hash a inspect form : {:a=>100, :b=>200} Hash b inspect form : {:a=>100, :c=>300, :b=>200} Hash c inspect form : {:a=>100} Example #2 : Ruby # Ruby code for Hash.inspect() 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} # inspect Value puts "Hash a inspect form : #{a.inspect()}\n\n" puts "Hash b inspect form : #{b.inspect()}\n\n" puts "Hash c inspect form : #{c.inspect()}\n\n" Output : Hash a inspect form : {"a"=>100, "b"=>200} Hash b inspect form : {"a"=>100} Hash c inspect form : {"a"=>100, "c"=>300, "b"=>200} Comment More infoAdvertise with us Next Article Ruby | Hash inspect() function K Kirti_Mangal Follow Improve Article Tags : Ruby Ruby-Methods Ruby Hash-class Similar Reads Ruby | Hash invert() function Hash#invert() is a Hash class method which gives the hash by reverting keys to values and values to key. Syntax: Hash.invert() Parameter: Hash values Return: hash by reverting keys to values and values to key Example #1 : Ruby # Ruby code for Hash.invert() method # declaring Hash value a = {a:100, b 2 min read Ruby | Hash include?() function Hash#include?() is a Hash class method which checks whether the given key is present in hash. Syntax: Hash.include?() Parameter: Hash values Return: true - if given key"" is present in hash otherwise return false Example #1 : Ruby # Ruby code for Hash.has_value?() method # declaring Hash value a = { 2 min read Ruby | Range hash() function The hash() is an inbuilt method in Ruby returns a hash-code for the given range. The hash-value will vary for every execution. Syntax: range1.hash() Parameters: The function accepts no parameter. Return Value: It returns a hash-code for the given range. Example 1: Ruby # Ruby program for hash() # me 1 min read Ruby | Hash key?() function Hash#key?() is a Hash class method which checks whether the key corresponding to the value is present or not. Syntax: Hash.key?() Parameter: Hash values Return: true - if key corresponding to the value is present otherwise return false Example #1 : Ruby # Ruby code for Hash.key?() method # declaring 2 min read Ruby | Hash key() function Hash#key() is a Hash class method which gives the key value corresponding to the value. If value doesn't exist then return nil. Syntax: Hash.key() Parameter: Hash values Return: key corresponding to the value nil - If value doesn't exist Example #1 : Ruby # Ruby code for Hash.key() method # declarin 2 min read Ruby | Hash keys() function Hash#keys() is a Hash class method which gives an array with all the keys present in the hash. Syntax: Hash.keys() Parameter: Hash values Return: array with all the keys present in the hash Example #1 : Ruby # Ruby code for Hash.keys() method # declaring Hash value a = {a:100, b:200} # declaring Has 2 min read Ruby | Hash rassoc() function rassoc() is an Hash class method which searches an element through the Hash value. Syntax: Hash.rassoc() Parameter: Hashs for finding elements. Return: searches an element through the Hash value Example #1: Ruby # Ruby code for rassoc() method # declaring Hash value a = { "a" => "a 1 min read Ruby | Hash keep_if() function Hash#keep_if() is a Hash class method which only keeps those key value pair that follows the block condition. Syntax: Hash.keep_if() Parameter: Hash values block - condition Return: key value pair that follows the block condition Example #1 : Ruby # Ruby code for Hash.keep_if() method # declaring Ha 2 min read Ruby | Hash merge function Hash#merge() is a Hash class method which combines two hash arrays and their content. Syntax: Hash.merge() Parameter: Hash values Return: combine two hash arrays Example #1 : Ruby # Ruby code for Hash.merge() method # declaring Hash value a = {a:100, b:200} # declaring Hash value b = {a:100, c:300, 2 min read Ruby | Hash merge! function Hash#merge!() : merge!() is a Hash class method which can add the content the given hash array to the other. Entries with duplicate keys are overwritten with the values from each other_hash successively if no block is given. Syntax: Hash.merge!() Parameter: Hash values Return: add the content the gi 2 min read Like