diff --git a/src/compile.rs b/src/compile.rs
new file mode 100644
index 0000000..d361b36
--- /dev/null
+++ b/src/compile.rs
@@ -0,0 +1,21 @@
+use crate::parse::Regex;
+
+struct Transition {
+    char: char,
+}
+
+struct Node {
+    end: bool,
+    transitions: Vec<Transition>,
+}
+
+struct RegexFsm {
+    nodes: Vec<Node>,
+}
+
+/// Compiles the parsed Regex into a FSM
+fn compile(regex: Regex) -> RegexFsm {
+    let mut nodes = Vec::new();
+
+    RegexFsm { nodes }
+}
diff --git a/src/lib.rs b/src/lib.rs
index f055e6e..aab431a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,4 @@
+mod compile;
 mod parse;
 
 pub fn no_unused_code(regex: &str) {