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Current Path : /opt/alt/ruby18/share/ri/1.8/system/Continuation/

Current File : //opt/alt/ruby18/share/ri/1.8/system/Continuation/cdesc-Continuation.yaml

--- !ruby/object:RI::ClassDescription 
attributes: []

class_methods: []

comment: 
- !ruby/struct:SM::Flow::P 
  body: Continuation objects are generated by <tt>Kernel#callcc</tt>. They hold a return address and execution context, allowing a nonlocal return to the end of the <tt>callcc</tt> block from anywhere within a program. Continuations are somewhat analogous to a structured version of C's <tt>setjmp/longjmp</tt> (although they contain more state, so you might consider them closer to threads).
- !ruby/struct:SM::Flow::P 
  body: "For instance:"
- !ruby/struct:SM::Flow::VERB 
  body: "   arr = [ &quot;Freddie&quot;, &quot;Herbie&quot;, &quot;Ron&quot;, &quot;Max&quot;, &quot;Ringo&quot; ]\n   callcc{|$cc|}\n   puts(message = arr.shift)\n   $cc.call unless message =~ /Max/\n"
- !ruby/struct:SM::Flow::P 
  body: <em>produces:</em>
- !ruby/struct:SM::Flow::VERB 
  body: "   Freddie\n   Herbie\n   Ron\n   Max\n"
- !ruby/struct:SM::Flow::P 
  body: "This (somewhat contrived) example allows the inner loop to abandon processing early:"
- !ruby/struct:SM::Flow::VERB 
  body: "   callcc {|cont|\n     for i in 0..4\n       print &quot;\\n#{i}: &quot;\n       for j in i*5...(i+1)*5\n         cont.call() if j == 17\n         printf &quot;%3d&quot;, j\n       end\n     end\n   }\n   print &quot;\\n&quot;\n"
- !ruby/struct:SM::Flow::P 
  body: <em>produces:</em>
- !ruby/struct:SM::Flow::VERB 
  body: "   0:   0  1  2  3  4\n   1:   5  6  7  8  9\n   2:  10 11 12 13 14\n   3:  15 16\n"
constants: []

full_name: Continuation
includes: []

instance_methods: 
- !ruby/object:RI::MethodSummary 
  name: "[]"
- !ruby/object:RI::MethodSummary 
  name: call
name: Continuation
superclass: Object