this post was submitted on 16 Sep 2024
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Rust
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This makes a lot of sense, but the functions were Rust bindings for plain C functions, they weren't function pointers. Granted I could have put pointers to the function bindings into fields in a struct and stored that struct in the mutex, but the ability to anyhow call the bindings would still exist.
They were also plain C functions in my case, but it doesn't take too much discipline to only call it through the struct. Also, you can put the struct in a different crate which includes the C bindings to ensure that you can't call the C bindings without the struct.