https://github.com/aardappel/goose/blob/master/docs/design/coroutines.md describes one way coroutines could be introduced to the Goose language. Although it is compelling, some aspects of it seemed open to improvement.
The original design uses shared Wait/Event enums as the coroutine-scheduler protocol. This proposal replaces them with named resume conditions — typed
| struct IoError { message: u8[..], ok: bool } | |
| fn catch_io<F: fn()>() -> IoError { | |
| F(); | |
| return IoError{ message: "", ok: true } | |
| } | |
| fn may_throw(do_throw: bool) { | |
| if do_throw { | |
| return IoError{ message: "did throw, as instructed", ok: false } from catch_io; |
| import click | |
| import struct | |
| import textwrap | |
| import subprocess | |
| import os | |
| import json | |
| from pathlib import Path | |
| CONTINUATION_FORMAT = "<ii" |
| #include <assert.h> | |
| #include <stdio.h> | |
| #include "nanoarrow/ipc/flatcc_generated.h" | |
| static const char dump[] = { | |
| 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, | |
| 0x0e, 0x00, 0x06, 0x00, 0x05, 0x00, 0x08, 0x00, 0x0a, 0x00, 0x00, 0x00, | |
| 0x00, 0x03, 0x04, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, | |
| 0x0c, 0x00, 0x00, 0x00, 0x04, 0x00, 0x08, 0x00, 0x0a, 0x00, 0x00, 0x00, |
| #if defined(__SSE4_2__) | |
| #if defined(__has_builtin) | |
| #if __has_builtin(__builtin_ctz) | |
| #include <immintrin.h> | |
| #include <cstring> | |
| #define ARROW_TOO_SIMD_FIND_FIRST_OF | |
| #endif |
| Boost Software License - Version 1.0 - August 17th, 2003 | |
| Permission is hereby granted, free of charge, to any person or organization | |
| obtaining a copy of the software and accompanying documentation covered by | |
| this license (the "Software") to use, reproduce, display, distribute, | |
| execute, and transmit the Software, and to prepare derivative works of the | |
| Software, and to permit third-parties to whom the Software is furnished to | |
| do so, all subject to the following: | |
| The copyright notices in the Software and this entire statement, including |
| Boost Software License - Version 1.0 - August 17th, 2003 | |
| Permission is hereby granted, free of charge, to any person or organization | |
| obtaining a copy of the software and accompanying documentation covered by | |
| this license (the "Software") to use, reproduce, display, distribute, | |
| execute, and transmit the Software, and to prepare derivative works of the | |
| Software, and to permit third-parties to whom the Software is furnished to | |
| do so, all subject to the following: | |
| The copyright notices in the Software and this entire statement, including |
| # https://www.boost.org/LICENSE_1_0.txt | |
| cmake_minimum_required(VERSION 3.18) | |
| project(backward_trace_all_threads) | |
| set(CMAKE_EXPORT_COMPILE_COMMANDS ON) | |
| find_package(Threads) | |
| enable_testing() | |
| add_executable(main main.cc) | |
| target_link_libraries(main Threads::Threads dw) |
| Boost Software License - Version 1.0 - August 17th, 2003 | |
| Permission is hereby granted, free of charge, to any person or organization | |
| obtaining a copy of the software and accompanying documentation covered by | |
| this license (the "Software") to use, reproduce, display, distribute, | |
| execute, and transmit the Software, and to prepare derivative works of the | |
| Software, and to permit third-parties to whom the Software is furnished to | |
| do so, all subject to the following: | |
| The copyright notices in the Software and this entire statement, including |
