pub type MPI_Datarep_conversion_function = Option<unsafe extern "C" fn(*mut c_void, *mut ompi_datatype_t, i32, *mut c_void, i64, *mut c_void) -> i32>;Aliased Type§
enum MPI_Datarep_conversion_function {
None,
Some(unsafe extern "C" fn(*mut c_void, *mut ompi_datatype_t, i32, *mut c_void, i64, *mut c_void) -> i32),
}