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by alexcrichton
4081 days ago
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It does indeed! Due to Rust's lack of a garbage collector or runtime altogether, when C calls into Rust there is no overhead. In the example in the blog post [1] you can see that the Rust function has no extra syntactic burden, and the compiler also will not add any form of conversion one way or another. The C code then just emits a direct call to the symbol, so everything is totally free! [1]: http://blog.rust-lang.org/2015/04/24/Rust-Once-Run-Everywher... |
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