UFCS syntax I never saw before.

[Dennis]

On Monday, 21 May 2018 at 11:38:12 UTC, SrMordred wrote:
> what??

Here's another weird example:
```
void funWithUfcsAndPropertySyntax() {
	import std.typecons : tuple;
	"%s %s".writefln = ("foo".tuple = "bar").expand;
}
```

source: 
https://github.com/Hackerpilot/Idiotmatic-D/blob/master/idiotmatic.d#L78