On Saturday, 8 December 2018 at 02:29:10 UTC, Steven Schveighoffer wrote: > this compiles: > > writeln("a + b = ", a + b); > > But this does not: > > writeln(AliasSeq!("a + b = ", a + b)); > > -Steve As Paul Backus brought up in a PR, you can use `std.typecons.tuple`s instead, to use expressions. Example: auto foo = tuple(i"a + b = $(a+b)");