experimentation: implement some basic traits for io and data types

crates/prowocessing/src/experimental/trait_based/data/io.rs

@@ -5,6 +5,7 @@ use std::{borrow::ToOwned, convert::Into};
 use super::raw::Data;
 
 /// Newtype struct with borrowed types for pipeline/element inputs, so that doesn't force a move or clone
+#[derive(PartialEq, Eq, Debug)]
 pub struct Inputs<'a>(pub Vec<&'a Data>);
 
 impl<'a> From<Vec<&'a Data>> for Inputs<'a> {
@@ -26,7 +27,8 @@ impl<'a> From<&'a Outputs> for Inputs<'a> {
 }
 
 /// Used for pipeline/element outputs
-pub struct Outputs(Vec<Data>);
+#[derive(PartialEq, Eq, Debug)]
+pub struct Outputs(pub Vec<Data>);
 
 impl Outputs {
     /// consume self and return inner value(s)

crates/prowocessing/src/experimental/trait_based/data/raw.rs

@@ -1,7 +1,7 @@
 //! Dynamic data storage and transfer types for use in [`io`]
 
 // Dynamic data type
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 pub enum Data {
     String(String),
     Int(i32),