const io = @import("io.zig"); pub fn assert(b: bool) { if (!b) unreachable{} } pub fn print_stack_trace() { var maybe_fp: ?&const u8 = @frame_address(); while (true) { const fp = maybe_fp ?? break; const return_address = *(&const usize)(usize(fp) + @sizeof(usize)); %%io.stderr.print_u64(return_address); %%io.stderr.printf("\n"); maybe_fp = *(&const ?&const u8)(fp); } }