diff --git a/src/day09/main.rs b/src/day09/main.rs
index 0a84770..6db5201 100644
--- a/src/day09/main.rs
+++ b/src/day09/main.rs
@@ -19,7 +19,7 @@ fn main() -> Result<()> {
     Ok(())
 }
 
-struct XMASDecoder {
+pub struct XMASDecoder {
     input: Vec<i64>,
 }
 
@@ -36,17 +36,17 @@ impl TryFrom<&str> for XMASDecoder {
 }
 
 impl XMASDecoder {
-    fn find_continues(&self, target: i64) -> Option<&[i64]> {
+    pub fn find_continues(&self, target: i64) -> Option<&[i64]> {
         for offset in 0..self.input.len() {
             let slice = &self.input[offset..self.input.len()];
-            if let Some(found) = Self::find_sum(slice, target) {
+            if let Some(found) = Self::find_sum_slice(slice, target) {
                 return Some(found);
             }
         }
         None
     }
 
-    fn find_sum(slice: &[i64], target: i64) -> Option<&[i64]> {
+    fn find_sum_slice(slice: &[i64], target: i64) -> Option<&[i64]> {
         let mut offset = 0;
         let mut sum = 0;
         for i in slice {
@@ -61,7 +61,7 @@ impl XMASDecoder {
         None
     }
 
-    fn decode(&self) -> Option<i64> {
+    pub fn decode(&self) -> Option<i64> {
         self.input
             .windows(26)
             .into_iter()
@@ -83,7 +83,7 @@ impl XMASDecoder {
 }
 
 #[derive(Error, Debug)]
-enum Errors {
+pub enum Errors {
     #[error("invalid input")]
     InvalidInput,
 }