[Issue 16671] New: std.variant visiting functions should pass file, line to VariantException

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16671

          Issue ID: 16671
           Summary: std.variant visiting functions should pass file, line
                    to VariantException
           Product: D
           Version: D2
          Hardware: x86
                OS: Windows
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: phobos
          Assignee: nobody at puremagic.com
          Reporter: nick at geany.org

When Algebraic().visit (or tryVisit) throws an exception, the file and line
number are always internal to std.variant. It should use the caller's __FILE__,
__LINE__.

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