OK, I'm stumped on this one: dstep, struct, mixin, bitfields

[Kagamin]

On Wednesday, 21 March 2018 at 19:41:39 UTC, H. S. Teoh wrote:
> 	version(all) { ... }
> 	version(none) { ... }
> 	version(Posix) { ... }
> 	version(Windows) { ... }
>
> But yeah, using "version" for this purpose makes the very 
> common identifier "version" unavailable for use.  I've been 
> bitten by this multiple times.
>
> 	auto version = getVersion();	// NG
> 	auto ver = getVersion();	// OK
>
> 	struct PacketHeader {
> 		ushort version;		// NG
> 		ushort ver;		// OK
> 	}

C code also uses `in`, `out` and `with` as identifiers.

I think, with some funny escape sequences we can do without any 
keyword at all:
	\1(all) { ... }
	\1(none) { ... }
	\1(Posix) { ... }
	\1(Windows) { ... }
	\5 version = getVersion();
	\2 PacketHeader {
		\6 version;
	}