ref: ea3ae1c8e5d7daf59061e0fc194b1f0ad5ba1609
dir: /libstd/sljoin.myr/
use "alloc.use" use "slcp.use" pkg std = generic sljoin : (dst : @a[:], src : @a[:] -> @a[:]) ;; generic sljoin = {dst, src var len len = dst.len dst = slgrow(dst, len + src.len) slcp(dst[len:], src) -> dst }