ref: b333cec44699df60f4ec9f88562a2b24fd592f52
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)) }