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/* Please try the BeginnerExamples before the IntermediateExamples
   Put this code in a subdirectory: methcall_intermediatetwo\toggles 

To compile:
   nicec toggles
*/

package toggles;

class Toggle {
    boolean state = true;

    boolean value();
    Toggle activate();
}

value(Toggle t){ return t.state; }

activate(Toggle t){ 
    t.state = !t.state; 
    return t; }