H
-h has_key? method Hash class instantiating with default code block instantiating with default value literal constructor new method hash mark hashes, 2nd [] method => key/value separator adding a key/value pair as final method argument as first method argument as method argument as method arguments clear method clear replace method clearing combination destructive nondestructive combining with other hashes compared to array contents, replacing creating default method default value, specifying definition empty? method fetch method has_key? method has_value? method include? method invert method inverting iteration key as basis for set members nonexistent key insertion order key, symbol as key? ...
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