diff --git a/crates/fuse-ast/src/visit.rs b/crates/fuse-ast/src/visit.rs
index 8834c80..6a50c36 100644
--- a/crates/fuse-ast/src/visit.rs
+++ b/crates/fuse-ast/src/visit.rs
@@ -3,6 +3,8 @@
 
 use crate::ast::*;
 
+/// Placeholder macro for visiting, It is used instead of calling visitor methods directly.
+/// Would be useful if we need some operation to happen for every visit.
 macro_rules! visit {
     ($expr:expr) => {
         $expr
diff --git a/crates/fuse-semantic/src/lib.rs b/crates/fuse-semantic/src/lib.rs
index 9835f10..b25970b 100644
--- a/crates/fuse-semantic/src/lib.rs
+++ b/crates/fuse-semantic/src/lib.rs
@@ -1 +1,12 @@
-pub fn semantic_analysis() {}
+use fuse_ast::Chunk;
+
+pub struct Semantic<'a> {
+    source: &'a str,
+    chunk: Chunk,
+}
+
+impl<'a> Semantic<'a> {
+    pub fn new(source: &'a str, chunk: Chunk) -> Self {
+        Self { source, chunk }
+    }
+}
diff --git a/crates/fusec/Cargo.toml b/crates/fusec/Cargo.toml
index 39a7087..34c5654 100644
--- a/crates/fusec/Cargo.toml
+++ b/crates/fusec/Cargo.toml
@@ -9,3 +9,4 @@ edition.workspace = true
 
 [dependencies]
 fuse_parser = { workspace = true }
+fuse_semantic = { workspace = true }
diff --git a/crates/fusec/src/lib.rs b/crates/fusec/src/lib.rs
index 6b675bc..029efeb 100644
--- a/crates/fusec/src/lib.rs
+++ b/crates/fusec/src/lib.rs
@@ -1,6 +1,15 @@
 use fuse_parser::Parser;
+use fuse_semantic::Semantic;
 
 fn compile_chunk(source: &str) {
-    let parsed_tree = Parser::new(source).parse();
-    todo!("Compiler isn't done yet!")
+    let parsed = Parser::new(source).parse();
+    let semantic = Semantic::new(source, parsed.chunk.unwrap());
+}
+
+#[test]
+fn manual_test() {
+    compile_chunk(r#"
+        let x = 123
+        let y = x
+        "#)
 }