feat: add pretty-print helper for lists of values

core/src/lib.rs

@@ -97,6 +97,21 @@ pub use math::{
 
 pub mod prettier {
     pub use miden_formatting::{prettier::*, pretty_via_display, pretty_via_to_string};
+
+    /// Pretty-print a list of [PrettyPrint] values as comma-separated items.
+    pub fn pretty_print_csv<'a, T>(items: impl IntoIterator<Item = &'a T>) -> Document
+    where
+        T: PrettyPrint + 'a,
+    {
+        let mut doc = Document::Empty;
+        for (i, item) in items.into_iter().enumerate() {
+            if i > 0 {
+                doc += const_text(", ");
+            }
+            doc += item.render();
+        }
+        doc
+    }
 }
 
 mod operations;