Type Alias mpi_sys::MPI_Grequest_cancel_function

pub type MPI_Grequest_cancel_function = Option<unsafe extern "C" fn(arg1: *mut c_void, arg2: c_int) -> c_int>;

Aliased Type

enum MPI_Grequest_cancel_function {
    None,
    Some(unsafe extern "C" fn(_: *mut c_void, _: i32) -> i32),
}

Variants

None

No value.

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

Some value of type T.