clayborg added a comment.

In D58792#1414964 <https://reviews.llvm.org/D58792#1414964>, @labath wrote:

> In D58792#1414191 <https://reviews.llvm.org/D58792#1414191>, @shafik wrote:
>
> > It stood out to me that some of the conversions were not `const` and I can 
> > see that `IsValid` is not consistently `const` across the API but after 
> > talking to @jingham it is unfortunately something we can't change.
>
>
> Yes, that is unfortunate. I can think of three things that we could do 
> differently though:
>
> 1. add a `const` version of `IsValid` where it is missing, and have and 
> always-const `operator bool` which uses that
> 2. give up on constness and just have a non-const `operator bool` everywhere
> 3. add a const `operator bool` everywhere, and have `IsValid` (const or 
> non-const) call into that


"const" is useless when your class contains a shared pointer or a unique 
pointer. It also changes the API mangling which we can't do. So I vote for give 
up on const as you can call non const methods in any shared and unique pointers 
because const is only protecting the pointer from changing.

> Each option has different tradeoffs, and it's not really clear to me which 
> one is better. I am happy to implement whichever you think is best.




CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58792/new/

https://reviews.llvm.org/D58792



_______________________________________________
lldb-commits mailing list
lldb-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits

Reply via email to