Type Alias mpi_sys::MPI_User_function

pub type MPI_User_function = Option<unsafe extern "C" fn(arg1: *mut c_void, arg2: *mut c_void, arg3: *mut c_int, arg4: *mut MPI_Datatype)>;

Aliased Type

enum MPI_User_function {
    None,
    Some(unsafe extern "C" fn(_: *mut c_void, _: *mut c_void, _: *mut i32, _: *mut *mut ompi_datatype_t)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut c_void, _: *mut c_void, _: *mut i32, _: *mut *mut ompi_datatype_t))

Some value of type T.