ref: bfe38a2454609a60bffe2f59340b075faeca7c4d
dir: /src/print.h/
#pragma once void sl_print(sl_ios *f, sl_v v); void print_traverse(sl_v v); void sl_print_chr(sl_ios *f, char c); void sl_print_str(sl_ios *f, const char *s); void sl_print_child(sl_ios *f, sl_v v);