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length

hsh.length â fixnum

Instance Public methods

Returns the number of key-value pairs in the hash.

h = { "d" => 100, "a" => 200, "v" => 300, "e" => 400 }
h.length        #=> 4
h.delete("a")   #=> 200
h.length        #=> 3

doc_ruby_on_rails

2015-04-11 23:55:15

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