Feature or bug: print braces

[Ivan Kazmenko via Digitalmars-d-learn]

On Thursday, 14 May 2015 at 00:29:06 UTC, Dennis Ritchie wrote:
> Why doesn't the compiler produces an error?
>
> -----
> import std.stdio;
>
> void main() {
> 	writeln({});
> }
> -----
> http://ideone.com/qTZCAd

Somehow reminds me of this lambda:
https://github.com/Hackerpilot/Idiotmatic-D/blob/master/idiotmatic.d#L127-L128