ref: 0f3f41fae775b2647cd0cdaf0a9ef395c19b9878
dir: /lib/std/sljoin.myr/
use "alloc" use "slcp" pkg std = generic sljoin : (dst : @a[:]#, src : @a[:] -> @a[:]) ;; generic sljoin = {dst, src var len len = dst#.len slgrow(dst, len + src.len) slcp(dst#[len:], src) -> dst# }