pub unsafe extern "C" fn CeedOperatorApply(
op: CeedOperator,
in_: CeedVector,
out: CeedVector,
request: *mut CeedRequest,
) -> c_intpub unsafe extern "C" fn CeedOperatorApply(
op: CeedOperator,
in_: CeedVector,
out: CeedVector,
request: *mut CeedRequest,
) -> c_int