pyo3/pyo3-ffi-check/README.md

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pyo3-ffi-check

This is a simple program which compares ffi definitions from pyo3-ffi against those produced by bindgen.

If any differ in size, these are printed to stdout and a the process will exit nonzero.

The main purpose of this program is to be run as part of PyO3's continuous integration pipeline to catch possible errors in PyO3's ffi definitions.