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key?

thr.key?(sym) â true or false

Instance Public methods

Returns true if the given string (or symbol) exists as a fiber-local variable.

me = Thread.current
me[:oliver] = "a"
me.key?(:oliver)    #=> true
me.key?(:stanley)   #=> false

doc_ruby_on_rails

2015-05-17 13:35:20

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