ref: d52fd3b32109f12e529a7f5e380c5ee8f06aefcf
dir: /test/implexpr-concrete.myr/
use std trait name @a = Name: byte[:] ;; impl name void = Name = "zig" ;; impl name int = Name = "zag" ;; const main = { std.put("{}{}\n", impl(Name, void), impl(Name, int)) }