Function msg_send_7 

pub unsafe fn msg_send_7<R, A, B, C, D, E, F, G>(
    obj: *const c_void,
    sel: Sel,
    a: A,
    b: B,
    c: C,
    d: D,
    e: E,
    f_arg: F,
    g: G,
) -> R

Send a message with 7 arguments.

Safety

See msg_send_0 for safety requirements.