> Ruby and Python are written mostly in C underneath. > > Many try to replace C. All failed. What do you mean by all failed? Rust supports CPython modules usi

> Ruby and Python are written mostly in C underneath. > > Many try to replace C. All failed. What do you mean by all failed? Rust supports CPython modules using PyO3 [1]. Even the popular polars dataframe library [2] uses it. [1] https://github.com/PyO3/pyo3 https://github.com/PyO3/pyo3 [2] https://github.com/pola-rs/polars https://github.com/pola-rs/polars