module main import os import dl type FNAdder = fn (int, int) int fn main() { library_file_path := os.join_path(os.getwd(), dl.get_libname('library')) handle := dl.open_opt(library_file_path, dl.rtld_lazy)? eprintln('handle: ${ptr_str(handle)}') f := FNAdder(dl.sym_opt(handle, 'add_1')?) eprintln('f: ${ptr_str(f)}') res := f(1, 2) eprintln('res: $res') }