B Revzin - if const expr isn't broken (was Re: My Meeting C++ Keynote video is now available)

bpr brogoff at gmail.com
Thu Jan 17 16:06:39 UTC 2019

On Thursday, 17 January 2019 at 01:59:29 UTC, Walter Bright wrote:
> On 1/16/2019 4:19 PM, H. S. Teoh wrote:
>> On Wed, Jan 16, 2019 at 11:43:19PM +0000, John Carter via 
>> Digitalmars-d-announce wrote:
>>> [...]
>> Yes, that's one of the outstanding qualities of D, and one 
>> that I was
>> immensely impressed with when I perused the Phobos source code 
>> for the
>> first time.
> Bartosz Milewski is a C++ programmer and a Haskell fan. He once 
> gave a presentation at NWCPP where he wrote a few lines of 
> Haskell code. Then, he showed the same code written using C++ 
> template metaprogramming.
> The Haskell bits in the C++ code were highlighted in red. It 
> was like a sea of grass with a shrubbery here and there. 
> Interestingly, by comparing the red dots in the C++ code with 
> the Haskell code, you could understand what the C++ was doing. 
> Without the red highlighting, it was a hopeless wall of < > :-)

Was that a pre C++11 version of C++, or a more modern one?

It would be instructive to see that example with C++17 or even 20 
and D
next to each other.

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