The former can probably be solved for lots of cases by TakeWhile(), which evaluates before consuming more elements and could be used to replace "abort the loop"

The former can probably be solved for lots of cases by TakeWhile(), which evaluates before consuming more elements and could be used to replace "abort the loop" patterns. The latter is a different thing.. 1: http://msdn.microsoft.com/en-us/library/bb534804.aspx http://msdn.microsoft.com/en-us/library/bb534804.aspx