Function object: Difference between revisions

Revision as of 10:00, 8 January 2018

Revision as of 20:59, 24 May 2018

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Now, method <code>foo</code> can be a function object, i.e. a <code>Proc</code>, via <code>&:foo</code> and used via <code>takes_a_functor(&:foo)</code>. <code>Symbol.to_proc</code> was officially added to Ruby on June 11, 2006 during RubyKaiga2006RubyKaigi2006. [https://web.archive.org/web/20060820025032/http://redhanded.hobix.com/cult/symbolTo_procExonerated.html]

Because of the variety of forms, the term Functor is not generally used in Ruby to mean a Function object.