# Scalar types in functional frontend

## Scratchpad

def test_scalar2():
    """Test scalar argument being turned into 0-dim field."""
    Vertex = Dimension("Vertex")
    size = 5
    inp = 5.0
    out = np_as_located_field(Vertex)(np.zeros([size]))

    @field_operator(backend=fieldview_backend)
    def my_field_op(scalar_inp: float64) -> Field[[], float64]:
        return scalar_inp

    @field_operator(backend=fieldview_backend)
    def scalar_arg() -> Field[[Vertex], float64]:
        return my_field_op(1.0)

    scalar_arg(out=out, offset_provider={})

    ref = np.full([size], 6.0)
    assert np.allclose(ref, out.array())