Function validate

src/buffer.rs:157–161

(b: &ffi::Py_buffer)

}

fn validate(b: &ffi::Py_buffer) {
    // shape and stride information must be provided when we use PyBUF_FULL_RO
    assert!(!b.shape.is_null());
    assert!(!b.strides.is_null());
}

impl PyBuffer {
    /// Get the underlying buffer from the specified python object.