[swift-evolution] [Pitch] Typed throws
daniel at crossroadlabs.xyz
Mon Feb 27 06:19:49 CST 2017
On Mon, 27 Feb 2017 at 8:44 Dave Abrahams via swift-evolution <
swift-evolution at swift.org> wrote:
> on Fri Feb 17 2017, Joe Groff <swift-evolution at swift.org> wrote:
> > Experience in other languages like Rust and Haskell that use
> > Result-based error propagation suggests that a single error type is
> > adequate, and beneficial in many ways.
> And experience in still others, like C++ and Java, suggests that
> using static types to restrict the kind of information a function can
> give you when an error occurs may actually be harmful.
+1 here. It becomes wrapping over wrapping over wrapping. Try doing a big
app in Java (i.e. some kind of layered server) and you'll understand
everything. Ones who tried and still want it - well, there are different
tastes out there.
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> swift-evolution at swift.org
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