diff --git a/src/lib.rs b/src/lib.rs
index 227ec68..d7e0569 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,7 @@
+pub enum ProgrammingLanguage {
+    None,
+}
+
 pub struct RGBA {
     red: u8,
     green: u8,
@@ -10,4 +14,8 @@ pub struct Header {
     level: u8,
 }
 
+pub struct CodeBlock {
+    language: ProgrammingLanguage,
+    text: String,
+}
 pub fn parse() {}