comparison rust/hg-cpython/src/exceptions.rs @ 44206:9804badd5970

rust-cpython: make PySharedRef::try_borrow_mut() return BorrowMutError

As I said, it shouldn't be an error of Python layer, but is something like
a coding error. Returning BorrowMutError makes more sense.

There's a weird hack to propagate the borrow-by-leaked state to RefCell
to obtain BorrowMutError. If we don't like it, maybe we can add our own
BorrowMutError.

44205:f015d679f08c

        }
    }
}

py_exception!(rustext, HgPathPyError, RuntimeError);

py_exception!(shared_ref, AlreadyBorrowed, RuntimeError);

44206:9804badd5970

        }
    }
}

py_exception!(rustext, HgPathPyError, RuntimeError);