Code coverage in Phobos

[Vladimir Panteleev via Digitalmars-d]

On Monday, 28 March 2016 at 01:30:34 UTC, Seb wrote:
> AFAIK dmd supports the `-cov` flag since quite some time, so I 
> would be interested why there's no code coverage bot. There 
> also seems to exist at least two external platforms that allow 
> such code coverage analyzing [1, 2]. Is this already on your 
> roadmap?
>
> [1] https://github.com/codecov/example-d
> [2] https://github.com/ColdenCullen/doveralls/issues/16
>
> Anyways it seems pretty easy to hack something quick&dirty 
> together that could be pretty helpful:

Yep. The difficulties are:

1. Getting data off the autotester. Currently it's nearly 
impossible, as is making any changes to it.

https://issues.dlang.org/show_bug.cgi?id=14381

2. Collating data from multiple platforms, as there is a lot of 
platform-specific code in e.g. std.stdio, std.file, and most of 
Druntime.