[swift-evolution] Move placement of 'throws' statement

David Waite david at alkaline-solutions.com
Tue Dec 27 10:48:12 CST 2016

Although I have only partially vetted it myself, this came up for a google search: http://wiki.c2.com/?JavaExceptionsAreParticularlyEvil


Sent with my Thumbs

> On Dec 27, 2016, at 5:56 AM, Derrick Ho via swift-evolution <swift-evolution at swift.org> wrote:
> Daniel Leping, I am unfamiliar with java. Do you have any resources that describe the nightmare in detail?
> On Tue, Dec 27, 2016 at 2:50 AM Tino Heth <2th at gmx.de> wrote:
>>> -1 for specifying errors for throws. Please don't. Proven by practice in java it's a nightmare.
>> In Java, this topic is really interesting:
>> It sounds like a great idea, but in real-life situations, afaics everyone hates checked exceptions.
>> But Swift isn't Java, and our error handling is different from most established languages, so imho we shouldn't base that decision on experiences from other models only:
>> I don't see downsides, because you already need "try" for everything that can throw, and afaics, it would be easy to ignore the information that only a set of exceptions can happen in a given context.
>> So, imho before there is a decision wether "throws" should be moved, the possibility to annotate it with a fixed set of error types should be either abandoned or incorporated. 
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