From 89148a623c4c62ecb48e0c8a2c6bf86143178b62 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Sat, 3 Dec 2022 20:38:56 -0500
Subject: [PATCH] Move the list to its own file.

---
 src/parser/list.rs        | 29 +++++++++++++++++++++++++++++
 src/parser/mod.rs         |  1 +
 src/parser/new_context.rs |  7 -------
 3 files changed, 30 insertions(+), 7 deletions(-)
 create mode 100644 src/parser/list.rs

diff --git a/src/parser/list.rs b/src/parser/list.rs
new file mode 100644
index 00000000..235a5831
--- /dev/null
+++ b/src/parser/list.rs
@@ -0,0 +1,29 @@
+use std::rc::Rc;
+
+pub struct List<T> {
+    head: Option<Rc<Node<T>>>,
+}
+
+pub struct Node<T> {
+    data: T,
+    parent: Option<Rc<Node<T>>>,
+}
+
+impl<T> List<T> {
+    pub fn new() -> Self {
+        List { head: None }
+    }
+
+    pub fn push_front(&self, data: T) -> List<T> {
+        List {
+            head: Some(Rc::new(Node {
+                data: data,
+                parent: self.head.clone(),
+            })),
+        }
+    }
+
+    pub fn get_data(&self) -> &T {
+        &self.data
+    }
+}
diff --git a/src/parser/mod.rs b/src/parser/mod.rs
index 74d94558..4a9a2727 100644
--- a/src/parser/mod.rs
+++ b/src/parser/mod.rs
@@ -1,3 +1,4 @@
+mod list;
 mod new_context;
 mod nom_context;
 mod parser_with_context;
diff --git a/src/parser/new_context.rs b/src/parser/new_context.rs
index f184433a..8b137891 100644
--- a/src/parser/new_context.rs
+++ b/src/parser/new_context.rs
@@ -1,8 +1 @@
-pub struct List<T> {
-    head: Option<Rc<Node<T>>>,
-}
 
-pub struct Node<T> {
-    data: T,
-    parent: Option<Rc<Node<T>>>,
-}