abibool - C ABI compatible boolean types
For most sane rust APIs, you should prefer bool in your interfaces and simply convert between types. However, bool isn't legal for all bit patterns, making it unusable for most FFI without conversions. For simple FFI, this isn't a problem, but C APIs writing arrays of BOOL or BOOLEAN, or structures containing these types, become problematic and require allocations and copies to avoid undefined behavior. Alternatively, you could just use integer types, that can obfuscate intent and result in bugs if multiple truthy-but-different value are directly compared when you expect boolean logic.
See The Documentation for details.
| abibool type | winapi type |
|---|---|
| b8 / bool8 | BOOLEAN |
| b32 / bool32 | BOOL |
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