ref: 1f2656eeadb7b3230f92fbdfe1f31eebc5f81a71
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# }