Re: [boost] [Stacktrace] review

Subject: Re: [boost] [Stacktrace] review
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2016-12-16 17:05:55

On Sat, Dec 17, 2016 at 12:54 AM, Robert Ramey <ramey_at_[hidden]> wrote:
> On 12/16/16 12:48 PM, Emil Dotchevski wrote:
>>
>> a function will either succeed or it will not return.
>
> not necessarily
>
> bool f() {
>         if ...
>                 invoke_error
>                 return failure or ignore error
>         ...
>         return success
> }
>
> if invoke error is mapped to throw exception then it will never return. If
> it's mapped to something else - like emitting an error message or invoking a
> user specified call back then it won't throw an exception.

That results in a really horrible API with dual error reporting mechanisms.