__traits(compiles, ...) with syntax errors

[Ali Çehreli]

On 01/14/2019 03:58 PM, H. S. Teoh wrote:

 > the error is silent, and makes the compiler just move
 > on to a different overload, leaving you scratching your head as to why
 > it's not picking the "correct" overload.

I've recently opened the following bug which I believe is due to the 
same underlying issue: A compilation error is silently skipped.

   https://issues.dlang.org/show_bug.cgi?id=19541

 > (Oh, and did I mention, almost all of the above requires you to edit the
 > *callee* code in order to find out where the template instantiation
 > went?

Yep. Similar to my choice of words in that bug report: "the user [...] 
is now looking for unnecessary workarounds".

Ali