Web Reference: class Hash: A \Hash object maps each of its unique keys to a specific value. An array index is always an integer. To be usable as a Hash key, objects must implement the methods hash and eql?. Note: this requirement does not apply if the Hash uses compare_by_identity since comparison will then rely on the keys’ object id instead of hash and eql?. Jul 31, 2018 · Hash Literals or Creating Hashes: A hash is created using the hash literal which is a comma-separated list of key/value pairs and it always enclosed within curly braces {}.
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