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by mbel
3289 days ago
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A slightly related note: you can get similar behavior in C (and C++) with compiler extensions. In GCC and clang marking function with '__attribute__((warn_unused_result))' will produce a warning if function is called without using the result. Equivalent for MSVC is '_Check_return_'. Obviously this is not nearly as convenient as your Rust example, but enables some of its the benefits. |
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