anchor.diff:  	assert(x == 42);
   }
   
  -func willRaise {
  -	raise 666;
  -}
  -
   unittest std.core.on.scope.fail.funccall {
   	var x = 69;
   	on scope fail(e: i32) {
  
positive.code: 	mayRaise(true);
  	assert(x == 42);
  }
  
negative.code: // License, v. 2.0. If a copy of the MPL was not distributed with this
  // file, You can obtain one at http://mozilla.org/MPL/2.0/.
  
  
  func willRaise {
  	raise 666;
  }
  
  func mayRaise(flag) {
  	if flag then
  		raise 666;
  }
  
  unittest std.core.on.scope.fail.local {
  	on scope fail(e: i32) {
  