On Sunday, December 17, 2017 00:10:27 Anonymouse via Digitalmars-d-learn wrote: > On Saturday, 16 December 2017 at 21:56:49 UTC, Jonathan M Davis > > wrote: > > The only way to catch an exception is with a catch block, and > > if you do > > If you return inside a scopeguard though, the exception (or > error!) is swallowed. https://run.dlang.io/is/GEtQ6D > > void main() > { > foo(); > writeln("no error!"); > } > > int foo() > { > scope(failure) return -1; > assert(0); > }
Which is arguably a bug. The problem stems from the fact that scope statements get lowered to try-catch-finally blocks. But the entire purposed of scope statements is to be able to do stuff while an exception is in flight, not to actually handle the exception or affect it in any way. - Jonathan M Davis
