Update todo

TODO.md

@@ -11,12 +11,16 @@
 - [x] refactor into subcrates
 - [x] subcommand alias
 - [x] type inference from successful parse (eg not `List<unknown>` but `List<int>`)
+- [ ] parsing tables
+- [ ] ...rest without calling it rest
+- [ ] operator overflow
 - [ ] finish operator type-checking
 - [ ] Column path
 - [ ] Ranges
 - [ ] Source
 - [ ] Autoenv
 - [ ] Block params
+- [ ] let [first, rest] = [1, 2, 3]
   
 ## Maybe: 
 - [ ] default param values?

crates/nu-engine/src/eval.rs

@@ -34,11 +34,12 @@ fn eval_call(state: &State, call: &Call) -> Result<Value, ShellError> {
     let decl = parser_state.get_decl(call.decl_id);
     if let Some(block_id) = decl.body {
         let state = state.enter_scope();
-        for (arg, param) in call
+        for (arg, param) in call.positional.iter().zip(
-            .positional
+            decl.signature
-            .iter()
+                .required_positional
-            .zip(decl.signature.required_positional.iter())
+                .iter()
-        {
+                .chain(decl.signature.optional_positional.iter()),
+        ) {
             let result = eval_expression(&state, arg)?;
             let var_id = param
                 .var_id

crates/nu-engine/src/value.rs

@@ -89,7 +89,16 @@ impl Display for Value {
                 write!(f, "{}", val)
             }
             Value::String { val, .. } => write!(f, "{}", val),
-            Value::List { .. } => write!(f, "<list>"),
+            Value::List { val, .. } => {
+                write!(
+                    f,
+                    "[{}]",
+                    val.iter()
+                        .map(|x| x.to_string())
+                        .collect::<Vec<String>>()
+                        .join(", ".into())
+                )
+            }
             Value::Block { .. } => write!(f, "<block>"),
             Value::Nothing { .. } => write!(f, ""),
         }