On Monday, 7 January 2019 at 13:35:31 UTC, H. S. Teoh wrote:
[string mixins make] it hard to debug (esp. if the codegen
isn't your own code) - (4) any compile errors are by necessity
obscure
because there isn't a concrete file and line number to refer to;
to get to the locus of the problem further effort is required
to extract the generated code string (after figuring out which
string is the relevant one!) and then dereference the line
number.
This is no longer (as) true, try using -mixin=filename. It was
made exactly
for this sort of thing.
