gh-115653: Add docs for the PyCode_GetFirstFree and correct return type for the PyCode_GetNumFree by wrongnull · Pull Request #115654 · python/cpython (original) (raw)

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It was and it wasn't. We don't really want to expose it, but if we don't then Cython and other C extensions will access the internal fields directly, which is worse.

Now that we have an unstable API, it should probably be part of that.
I'd like all code object C APIs to be unstable, but it's probably too late for that.

Maybe rename it to PyUnstableCode_GetFirstFree?