Add from_array and improve array viewing

src/commands/debug.rs

@@ -0,0 +1,14 @@
+use crate::errors::ShellError;
+use crate::prelude::*;
+
+pub fn debug(args: CommandArgs, _registry: &CommandRegistry) -> Result<OutputStream, ShellError> {
+    let input = args.input;
+
+    Ok(input
+        .values
+        .map(|v| {
+            println!("{:?}", v);
+            ReturnSuccess::value(v)
+        })
+        .to_output_stream())
+}

src/commands/from_array.rs

@@ -0,0 +1,21 @@
+use crate::object::Value;
+use crate::prelude::*;
+
+pub fn from_array(
+    args: CommandArgs,
+    _registry: &CommandRegistry,
+) -> Result<OutputStream, ShellError> {
+    let stream = args
+        .input
+        .values
+        .map(|item| match item {
+            Tagged {
+                item: Value::List(vec),
+                ..
+            } => VecDeque::from(vec),
+            x => VecDeque::from(vec![x]),
+        })
+        .flatten();
+
+    Ok(stream.to_output_stream())
+}