57ebee2b   
   From: dave@boostpro.com   
      
   on Fri Nov 18 2011, ethouris  wrote:   
      
   >> For one thing, for loops can have jump statements (such as "break", "goto",   
   >> or "return") leading out of them, for which lambdas have no equivalent.   
   >   
   > This problem can be solved by exceptions (Tcl is using this method -   
   > in this language "break", "continue" and "return" are not keywords,   
   > but - using C++ nomenclature - functions that throw exceptions, caught   
   > next by the enclosing function, such as "while", "for" and "foreach").   
      
   Python does that too, but the efficiency characteristics of exceptions   
   in C++ are generally so heavily biased to the non-exceptional code path   
   that this really wouldn't be appropriate without some magic ability to   
   compile those exceptions differently.   
      
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