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by zozbot234
360 days ago
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Rust's stable ABI is the C ABI. So you absolutely can dynamically link a Rust-written binary and/or a Rust-written shared library, but the interface has to be pure C. (This also gives you free FFI to most other programming languages.) You can use lightweight statically-linked wrappers to convert between Rust and C interfaces on either side and preserve some practical safety. |
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Easy, not free. In many languages, extra work is needed to provide a C interface. Strings may have to be converted to zero terminated byte arrays, memory that can be garbage collected may have to be locked, structs may mean having to be converted to C struct layout, etc.