[llvm-dev] [RFC] Should we add isa_or_null<>?

[David Blaikie via llvm-dev]

+1, if we're voting. I don't think it adds to the readability of code
for me personally.

On Sat, May 4, 2019 at 11:47 AM Chandler Carruth via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
>
> On Mon, Apr 29, 2019, 02:37 David Chisnall via llvm-dev <llvm-dev at lists.llvm.org> wrote:
>>
>> On 22/04/2019 15:15, Don Hinton via llvm-dev wrote:
>> > Although there were a few no votes, it looks like there's a consensus
>> > for adding a `isa_and_nonnull` type operator.  While there were some who
>> > preferred `isa_nonnull`, it wasn't overwhelming, and since
>> > `isa_and_nonnull` is already committed, I'm going to leave it as
>> > `isa_and_nonnull` for the time being.
>>
>> Maybe I missed something, but it looked to me as if the consensus was
>> that `isa_and_some_words<T>(foo)` imposed a higher cognitive load on the
>> reader than `foo && isa<T>(foo)`, as well as being more to type in most
>> cases, so wasn't worth adding.
>
>
> FWIW, I agree with this and Bogner: this doesn't seem like an improvement worth the cost.
>
>>
>> David
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