Re: [PATCH v2 1/4] rust: uaccess: add userspace pointers

[Valentin Obst]

> +    /// Reads the entirety of the user slice, appending it to the end of the
> +    /// provided buffer.
> +    ///
> +    /// Fails with `EFAULT` if the read encounters a page fault.
> +    pub fn read_all(self, buf: &mut Vec<u8>) -> Result<()> {
> +        self.reader().read_all(buf)
> +    }

I think there is also no need to give an explicit `()` for the
generic type parameter here as it is the default (applies to some
other methods in this patch as well).