Ruby Hash-class

Ruby | Hash reject method

Last Updated: 07 January 2020

Hash#reject() is a Hash class method which returns a new hash which consists of entries for which the block returns false.Syntax: Hash.rejec ...read more

Ruby | Hash has_key?() function

Last Updated: 07 January 2020

Hash#has_key?() is a Hash class method which checks whether the given key is present in hash.Syntax: Hash.has_key?()Parameter: Hash valuesRe ...read more

Ruby | Hash key() function

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Last Updated: 07 January 2020

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. ...read more

Ruby | Hash include?() function

Last Updated: 07 January 2020

Hash#include?() is a Hash class method which checks whether the given key is present in hash.Syntax: Hash.include?()Parameter: Hash valuesRe ...read more

Ruby | Hash dig() function

Last Updated: 07 January 2020

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 s ...read more

Ruby | Hash each() function

Last Updated: 07 January 2020

Hash#each() is a Hash class method which finds the nested value which calls block once for each key in hash by passing the key-value pair as ...read more

Ruby | Hash each_pair() function

Last Updated: 07 January 2020

Hash#each_pair() is a Hash class method which finds the nested value which calls block once for each pair in hash by passing the key_value p ...read more

Ruby | Hash empty? function

Last Updated: 15 April 2021

Hash#empty?() is a Hash class method which checks whether the Hash array has any key-value pair.Syntax: Hash.empty?()Parameter: Hash valuesR ...read more

Ruby | Hash flatten() function

Last Updated: 07 January 2020

Hash#flatten() is a Hash class method which returns the one-dimensional flattening hash array.Syntax: Hash.flatten()Parameter: Hash valuesRe ...read more

Ruby | Hash size() method

Last Updated: 07 January 2020

Hash#size() is a Hash class method which returns the count of key-value pair in the hash.Syntax: Hash.size()Parameter: Hash valuesReturn: co ...read more

Ruby | Hash select() method

Last Updated: 07 January 2020

Hash#select() : select() is a Hash class method which finds the array from the hash based on the block condition. Syntax: Hash.select()Param ...read more

Ruby | Hash replace() method

Last Updated: 07 January 2020

Hash#replace() : replace() is a Hash class method which replaces the content of one hash with other.Syntax: Hash.replace()Parameter: Hash va ...read more

Ruby | Hash compact!() function

Last Updated: 07 January 2020

compact! () is a Hash class method which returns the Hash after removing all the 'nil' value elements (if any) from the Hash. If there are n ...read more