hsh.size â fixnum
Instance Public methods
Returns the number of key-value pairs in the hash.
1 2 3 4 | h = { "d" => 100 , "a" => 200 , "v" => 300 , "e" => 400 } h.length #=> 4 h.delete( "a" ) #=> 200 h.length #=> 3 |
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