The Case Against Autodecode

[Chris via Digitalmars-d]

On Monday, 30 May 2016 at 21:39:00 UTC, Walter Bright wrote:
> On 5/30/2016 12:52 PM, H. S. Teoh via Digitalmars-d wrote:
>> If I ever had to write string-heavy code, I'd probably fork 
>> Phobos just
>> so I can get decent performance. Just sayin'.
>
> When I wrote Warp, the only point of which was speed, I 
> couldn't use phobos because of autodecoding. I have since 
> recoded a number of phobos functions so they didn't autodecode, 
> so the situation is better.

Two questions:

1. Given you experience with Warp, how hard would it be to clean 
Phobos up?
2. After recoding a number of Phobos functions, how much code did 
actually break (yours or someone else's)?.