Add typechecking to model signatures #867
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hannobraun
approved these changes
Jul 24, 2022
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This fixes #849 by placing the original model function inside our generated
extern "C" fn model(), letting the Rust compiler make sure it type checks. From there, it's simple to call the original function with its parsed arguments and assert that the result is convertible to afj::Shape.I've also added some examples to the attribute's docs so we can make sure
#[model] fn model() { todo!() }doesn't compile.