> On Aug 21, 2015, at 9:00 PM, Rick Mann <rm...@latencyzero.com> wrote:
>
>> On Aug 21, 2015, at 20:58 , Greg Parker <gpar...@apple.com> wrote:
>>
>>> Rick Mann wrote:
>>>
>>> Also, if the method of the call site is marked as "throws," does that mean
>>> the error will propagate out?
>>
>> Nothing you write in Swift will have any effect on C++/ObjC exception
>> unwinding.
>
> Sorry, I meant within Swift's error handling, if the call site does nothing
> other than be a function marked with throws, that's legal right?
>
> func
> one() throws
> {
> two()
> }
>
>
> func
> two() throws
> {
> throw something
> }
It is not legal. All call sites to methods that may throw must use `try`. The
call site must explicitly acknowledge the possibility of an error.
test.swift:4:4: error: call can throw but is not marked with 'try'
two()
^~~~~
--
Greg Parker gpar...@apple.com Runtime Wrangler
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