From fcd53682a3afafddd4204cacb0584681d2ebff7c Mon Sep 17 00:00:00 2001
From: Zack Slayton <zslayton@amazon.com>
Date: Mon, 9 Dec 2024 13:29:00 -0500
Subject: [PATCH] cleanup

---
 src/lazy/expanded/sequence.rs | 25 ++-----------------------
 src/lazy/system_reader.rs     |  2 +-
 2 files changed, 3 insertions(+), 24 deletions(-)

diff --git a/src/lazy/expanded/sequence.rs b/src/lazy/expanded/sequence.rs
index 79c2306e..5ea01ff6 100644
--- a/src/lazy/expanded/sequence.rs
+++ b/src/lazy/expanded/sequence.rs
@@ -331,7 +331,7 @@ fn expand_next_sequence_value<'top, D: Decoder>(
     expand_next_sequence_value_from_resolved(evaluator, &mut resolving_iter)
 }
 
-pub(crate) fn expand_next_sequence_value_from_resolved<'top, D: Decoder>(
+fn expand_next_sequence_value_from_resolved<'top, D: Decoder>(
     evaluator: &mut MacroEvaluator<'top, D>,
     iter: &mut impl Iterator<Item = IonResult<ValueExpr<'top, D>>>,
 ) -> Option<IonResult<LazyExpandedValue<'top, D>>> {
@@ -360,7 +360,7 @@ pub(crate) fn expand_next_sequence_value_from_resolved<'top, D: Decoder>(
 }
 
 /// Represents a sequence (list or sexp) whose contents are being traversed.
-/// This is used in (e.g.) `make_sexp` to store an iterator for each of its
+/// This is used in `flatten` to store an iterator for each of its
 /// sequence arguments in turn.
 #[derive(Debug)]
 pub enum ExpandedSequenceIterator<'top, D: Decoder> {
@@ -379,24 +379,3 @@ impl<'top, D: Decoder> Iterator for ExpandedSequenceIterator<'top, D> {
         }
     }
 }
-
-/// Represents a sequence (list or sexp) whose contents are being traversed.
-/// This is used in (e.g.) `make_sexp` to store an iterator for each of its
-/// sequence arguments in turn.
-#[derive(Debug)]
-pub enum FlattenedSequence<'top, D: Decoder> {
-    List(&'top mut ExpandedListIterator<'top, D>),
-    SExp(&'top mut ExpandedSExpIterator<'top, D>),
-}
-
-impl<'top, D: Decoder> Iterator for FlattenedSequence<'top, D> {
-    type Item = IonResult<LazyExpandedValue<'top, D>>;
-
-    fn next(&mut self) -> Option<Self::Item> {
-        use FlattenedSequence::*;
-        match self {
-            List(l) => l.next(),
-            SExp(s) => s.next(),
-        }
-    }
-}
diff --git a/src/lazy/system_reader.rs b/src/lazy/system_reader.rs
index ecb3285a..ebbba7de 100644
--- a/src/lazy/system_reader.rs
+++ b/src/lazy/system_reader.rs
@@ -686,7 +686,7 @@ mod tests {
     use crate::lazy::decoder::RawVersionMarker;
     use crate::lazy::system_stream_item::SystemStreamItem;
     use crate::{
-        v1_0, v1_1, AnyEncoding, Catalog, IonResult, SequenceWriter, SymbolRef, ValueWriter, Writer,
+        v1_0, AnyEncoding, Catalog, IonResult, SequenceWriter, SymbolRef, ValueWriter, Writer,
     };
 
     use super::*;