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digitalmars.D.bugs - [Issue 21562] New: Allow mixin template declarations without


          Issue ID: 21562
           Summary: Allow mixin template declarations without parentheses
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: dmd
          Assignee: nobody puremagic.com
          Reporter: qs.il.paperinik gmail.com

A mixin template declaration needs to have parentheses following the name.
If the parentheses are empty, it should be valid to omit them entirely.

Grammar changes:

+   mixin template Identifier TemplateParameters[opt] Constraint[opt] {
DeclDefs[opt] }
-   mixin template Identifier TemplateParameters Constraint[opt] {
DeclDefs[opt] }

Jan 20 2021