On Friday, 19 July 2019 at 15:30:25 UTC, Newbie2019 wrote:
for example:

void ASSERT(string fmt, string file = __FILE_FULL_PATH__, size_t line = __LINE__, T...) (bool c, scope T a) @nogc {
   assert(c, string, file, line);
}

but i get this error:

error.d(39): Error: found file when expecting )
error.d(39): Error: found ) when expecting ; following statement
error.d(39): Deprecation: use { } for an empty statement, not ;

I want d to print the error message with some format information, and show the right file and line for the original location.

Is it doable ?

Isn't assert a template (file and line) rather than a plain function call?

Worst comes to worst, you can provide your own _d_assert(?) and override object.d then just call the C assert

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