Unsafe & FFI in Rust

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This stream we dive into the world of C FFI and unsafe by building a simple static library in Rust that we call from C.

Ryan Levick

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Thanks for the videos Ryan! Not sure what is planned for part 2, but if you are taking suggestions, I would be interested in links/discussion about any "idiomatic" conventions (like the Rust API guidelines) when exposing a Rust library to C. Like what should you do if you have an API using Result/Option?

bluk

`RustString` can't be represented as an opaque struct in C since you are using it as a value and C needs to know its size and layout. On the other hand `const char*` could be used instead of `RustString` without the need for typedef. Great stream again. Looking forward for the next one!

bostjanvesnicer

Thanks Ryan. This would be cool for c# and java. I did ffi for our c# code and also ran into a lot of these issues.

lanklaas

18:28 A type alias would serve well here to help us remember what type it's supposed to be

aqua

Claims to not even be an intermediate level C programmer, proceeds to type "int main() { }" like a pro.

fnizzelwhoop

@Ryan Could you please tell
me how to install Rust in WSL? The installation script is always failed and core team mentioned that it is a bug in WSL.

chiwang

You seem to be expert in that field. I know nothing about that.

TheKruns

I 've spent one hour into your video and all you showed were your own mistakes. It takes 5 minutes to test your own code before production.

Munku

Stop saying “Um.. um… um…”

It’s fucking annoying

Other than that, nice video 👌

zahash

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