Unverified50% confidenceFactExact time
PEP 661 在 Python 3.15 中引入了标准化的哨兵对象模式
1
Sources
50%
Confidence
Long-term
Relevance
8/13/2026
First Seen
Sources
Related Claims
UnverifiedPython 类型注解系统自 PEP 484 引入、PEP 526 完善79% similarUnverifiedPEP 661 经过 Python 指导委员会(Steering Council)审议后被接受纳入 Python 3.1577% similarUnverified对于尚未升级到 Python 3.15 的项目,仍可使用经典的 object() 哨兵方案,其语义与官方实现一致76% similarVerifiedPython 3.13版本引入了free-threaded实验性模式(PEP 703),允许在禁用GIL的情况下运行72% similarUnverifiedPython的全局解释器锁(GIL)限制了真正的多线程并行,Python 3.13已开始推进无GIL实验性支持(PEP 703)71% similar
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