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has_key?

hsh.has_key?(key) â true or false

Instance Public methods

Returns true if the given key is present in hsh.

h = { "a" => 100, "b" => 200 }
h.has_key?("a")   #=> true
h.has_key?("z")   #=> false

doc_ruby_on_rails

2015-04-11 23:09:10

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