From 94089fb22c6d5e7c47e98f49f63e7689c83b523a Mon Sep 17 00:00:00 2001
From: Chris Tam <ohgodtamit@gmail.com>
Date: Sun, 11 Feb 2024 22:36:22 -0500
Subject: [PATCH 1/3] Expose the fields of Error as public

---
 src/error.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/error.rs b/src/error.rs
index 26a1ed63..649246b6 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -155,11 +155,11 @@ impl PartialEq for ErrorType {
 #[derive(Debug, PartialEq)]
 pub struct Error {
     /// Byte index it was encountered at
-    index: usize,
+    pub index: usize,
     /// Current character
-    character: Option<char>,
+    pub character: Option<char>,
     /// Type of error
-    error: ErrorType,
+    pub error: ErrorType,
 }
 
 impl Error {

From 69d1cd8e897fbf0be77431a6cb43485a4824c394 Mon Sep 17 00:00:00 2001
From: Chris Tam <ohgodtamit@gmail.com>
Date: Sat, 6 Apr 2024 10:08:42 -0400
Subject: [PATCH 2/3] Implement accessor functions instead of pub

---
 src/error.rs | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/src/error.rs b/src/error.rs
index 649246b6..334604a9 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -92,7 +92,7 @@ pub enum ErrorType {
     Io(std::io::Error),
 }
 
-#[derive(Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq)]
 pub enum InternalError {
     TapeError,
 }
@@ -155,11 +155,11 @@ impl PartialEq for ErrorType {
 #[derive(Debug, PartialEq)]
 pub struct Error {
     /// Byte index it was encountered at
-    pub index: usize,
+    index: usize,
     /// Current character
-    pub character: Option<char>,
+    character: Option<char>,
     /// Type of error
-    pub error: ErrorType,
+    error: ErrorType,
 }
 
 impl Error {
@@ -183,6 +183,21 @@ impl Error {
             error: t,
         }
     }
+
+    /// Returns the byte index the error occurred at.
+    pub fn index(&self) -> usize {
+        self.index
+    }
+
+    /// Returns the current character the error occurred at.
+    pub fn character(&self) -> Option<char> {
+        self.character
+    }
+
+    /// Returns the type of error that occurred.
+    pub fn error(&self) -> &ErrorType {
+        &self.error
+    }
 }
 impl std::error::Error for Error {}
 

From d146459c8cbd78576195a6e4fc4f620ed2f76a02 Mon Sep 17 00:00:00 2001
From: Christopher Tam <ohgodtamit@gmail.com>
Date: Mon, 15 Apr 2024 07:30:12 -0400
Subject: [PATCH 3/3] Address clippy lints

---
 src/error.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/error.rs b/src/error.rs
index 334604a9..cbf3ff61 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -185,16 +185,19 @@ impl Error {
     }
 
     /// Returns the byte index the error occurred at.
+    #[must_use]
     pub fn index(&self) -> usize {
         self.index
     }
 
     /// Returns the current character the error occurred at.
+    #[must_use]
     pub fn character(&self) -> Option<char> {
         self.character
     }
 
     /// Returns the type of error that occurred.
+    #[must_use]
     pub fn error(&self) -> &ErrorType {
         &self.error
     }