• JN (9/9) Apr 25 2021 struct Foo
• Bastiaan Veelo (10/19) Apr 25 2021 Yes, the
• Paul Backus (2/11) Apr 25 2021 Yes, D allows trailing commas in argument lists.

JN <666total wp.pl> writes:

         struct Foo
         {
             int x, y, z;
         }

         void main()
         {
              Foo bar = Foo(1,);
         }

This compiles without syntax errors, is this expected?

Bastiaan Veelo <Bastiaan Veelo.net> writes:

On Sunday, 25 April 2021 at 13:39:54 UTC, JN wrote:
         struct Foo
         {
             int x, y, z;
         }

         void main()
         {
              Foo bar = Foo(1,);
         }

 This compiles without syntax errors, is this expected?

Yes, the 
[specification](https://dlang.org/spec/declaration.html#StructInitializer) is
like this:
```
StructMemberInitializers:
     StructMemberInitializer
     StructMemberInitializer ,
     StructMemberInitializer , StructMemberInitializers
```

— Bastiaan.

Paul Backus <snarwin gmail.com> writes:

On Sunday, 25 April 2021 at 13:39:54 UTC, JN wrote:
         struct Foo
         {
             int x, y, z;
         }

         void main()
         {
              Foo bar = Foo(1,);
         }

 This compiles without syntax errors, is this expected?

Yes, D allows trailing commas in argument lists.