Hi, I'm considering migrating a legacy system written in C++ to Rust. It runs on Windows, has dependencies such as boost and Windows GDI+ (yes it has a Win32 window on the screen), and receives real-time messages via an internal low-latency library. Based on these conditions, I consider a direct full-stack migration is infeasible. So I am considering two alternatives:
1. Write core business logic (including spawning and managing multiple worker threads) in Rust and compile as a static library which can be linked together with other C++ code (that I cannot change). 2. Wrap the unchangeable C++ code as a C library, and use the library from Rust. The wrapping is needed because I read from Rust docs that it's not possible to call C++ directly at present. I am completely a newbie in Rust and hope you could give your advice on which way to choose, or on better alternatives :-) P.S. For alternative 1, I wonder if MinGW run-time libraries are needed when the linked program is deployed. I would prefer completely native executable without external run-time dependencies. Thanks Xiao Jia
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