pub unsafe extern "C" fn CPLHashSetNew(
fnHashFunc: CPLHashSetHashFunc,
fnEqualFunc: CPLHashSetEqualFunc,
fnFreeEltFunc: CPLHashSetFreeEltFunc,
) -> *mut CPLHashSetpub unsafe extern "C" fn CPLHashSetNew(
fnHashFunc: CPLHashSetHashFunc,
fnEqualFunc: CPLHashSetEqualFunc,
fnFreeEltFunc: CPLHashSetFreeEltFunc,
) -> *mut CPLHashSet