U:RDoc::AnyMethod[iI"cancel:ETI"Concurrent::Future#cancel;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"FAttempt to cancel the operation if it has not already processed. ;TI"JThe operation can only be cancelled while still `pending`. It cannot ;TI"@be cancelled once it has begun processing or has completed.;To:RDoc::Markup::BlankLineo;
;	[I"@@return [Boolean] was the operation successfully cancelled.;T:
@fileI"-lib/concurrent-ruby/concurrent/future.rb;T:0@omit_headings_from_table_of_contents_below000[I"();T@FI"Future;TcRDoc::NormalClass00