import "/nmigen_dg/*"

# result = pipeline 5
#     bind (+) 1
#     bind (-) 5
pipeline = data *: funcs -> data where
    for func in funcs =>
        data = func data

# cast to signed, extending the signal by one bit
to_signed = signal -> out where
    out = Signal$ signed (signal.width + 1)
    Comb$ out :== signal