[Issue 13823] New: Diagnostic for accessing wrongly-instantiated templated aggregate needs to improve

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13823

          Issue ID: 13823
           Summary: Diagnostic for accessing wrongly-instantiated
                    templated aggregate needs to improve
           Product: D
           Version: D2
          Hardware: All
                OS: Windows
            Status: NEW
          Keywords: diagnostic
          Severity: enhancement
          Priority: P1
         Component: DMD
          Assignee: nobody at puremagic.com
          Reporter: andrej.mitrovich at gmail.com

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class C(bool b = false) { static void foo() { } }

void main()
{
    C.foo();
}
-----

> Error: no property 'foo' for type 'void'

Please don't hijack this issue with requests for "C" to auto-instantiate the
template, this is part of a separate enhancement request which already exists.

In the meantime, the above should emit something helpful, such as:

> Error: "C" was not properly instantiated, use C!(...).foo instead.

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