...error message mentioned above, the code is up on github.  To trigger the error message...

...23
}
```

I obtained the following error message:
```
onlineapp.d(23): Error: `pure` function `D main...

...can't read that either, the awful error message are one reason why i don...

...s an actual (though formatted by me) error message I got stating that two things...

...the compiler withholds vital information from you! Error message quality is D's #1 practical...

Honestly, even having a dumb formatter that puts things like this would be 100x more...

...as it yields cleaner error messages unlike arbitrary...basically X but not)" message that who knows...

...int[]).Result`

But other than that, I can't tell just from that error snippet.

I'm usually piping the results through hexdump. ;-)

No, in earnest, I often would have...

...the same as you and reformatted the error message to find the bug.  As to...