Ruby | Range hash() function Last Updated : 12 Jul, 2025 Comments Improve Suggest changes Like Article Like Report 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() # method in Range # Initialize range range1 = (0..10) # Prints hash value puts range1.hash() Output: 2205001427131717671 Example 2: Ruby # Ruby program for hash() # method in Range # Initialize range range1 = (3..6) # Prints hash value puts range1.hash() Output: -377246730583736123 Comment More infoAdvertise with us Next Article Ruby | Hash merge function G gopaldave Follow Improve Article Tags : Ruby Ruby-Methods Ruby Range-class Similar Reads 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 Ruby | Range last() function The last() is an inbuilt method in Ruby returns an array of last X elements. If X is not mentioned, it returns the last element only. Syntax: range1.last(X) Parameters: The function accepts X which is the number of elements from the end. Return Value: It returns an array of last X elements. Example 1 min read Ruby | Regexp hash() function Regexp#force_encoding?() : force_encoding?() is a Regexp class method which returns the hash based on the text and options of this regular expression. Syntax: Regexp.hash() Parameter: Regexp values Return: the hash based on the text and options of this regular expression. Example #1 : Ruby # Ruby co 1 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 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 Like