pub trait AsRawSlice {
    /// Converts self into a `raw_slice`.
    ///
    /// # Returns
    ///
    /// * [raw_slice] - The newly created `raw_slice` from self.
    ///
    /// # Examples
    ///
    /// ```sway
    /// use std::alloc::alloc_bytes;
    ///
    /// struct MyType {
    ///    ptr: raw_ptr,
    ///    len: u64
    /// }
    ///
    /// impl AsRawSlice for MyType {
    ///     fn as_raw_slice(self) -> raw_slice {
    ///         from_parts(self.ptr, self.len)
    ///     }
    /// }
    ///
    /// fn foo() {
    ///     let my_type = MyType {
    ///         ptr: alloc_bytes(0),
    ///         len: 0
    ///     }
    ///     let slice = my_type.as_raw_slice();
    ///     assert(slice.ptr() == my_type.ptr);
    ///     assert(slice.number_of_bytes() == my_type.len);
    /// }
    /// ```
    fn as_raw_slice(self) -> raw_slice;
}