[Issue 11819] New: Better error message for unrecognized trait error

[d-bugmail at puremagic.com]

https://d.puremagic.com/issues/show_bug.cgi?id=11819

           Summary: Better error message for unrecognized trait error
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: diagnostic
          Severity: enhancement
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: bearophile_hugs at eml.cc


--- Comment #0 from bearophile_hugs at eml.cc 2013-12-25 17:42:00 PST ---
Wrong code:


class Foo {}
void main() {
    auto s = __traits(ClassInstanceSize, Foo);
}


DMD 2.065alpha prints (note the false at the second line):


temp.d(3): Error: unrecognized trait ClassInstanceSize


In a similar situation I suggest to print instead:

temp.d(3): Error: uknown trait identifier ClassInstanceSize, did you mean
classInstanceSize?

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