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A comment on Railway oriented programming. Parent comment

Re:Railway oriented programming by Rexxar on Thursday June 23, 2016 @09:54AM (#11960822)
C++ exception can be "zero cost" in the non exceptional path (for example http://llvm.org/docs/ExceptionHandling.html#itanium-abi-zero...)
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Re:Railway oriented programming by fpoling on Thursday June 23, 2016 @10:29AM (#11961105)
Presence of exceptions still prevents some optimizations that the compiler can do otherwise like omitting frame pointer etc.
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