diff --git a/Cargo.lock b/Cargo.lock
index 8686ddb..3bc11c1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,5 +3,9 @@
 version = 4
 
 [[package]]
-name = "temp"
+name = "example_bin"
+version = "0.1.0"
+
+[[package]]
+name = "example_lib"
 version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index 927feba..73ca508 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,3 @@
-[package]
-name = "temp"
-version = "0.1.0"
-edition = "2024"
-
-[dependencies]
+[workspace]
+resolver = "3"
+members = ["example_bin","example_lib"]
diff --git a/example_bin/Cargo.toml b/example_bin/Cargo.toml
new file mode 100644
index 0000000..d734bc5
--- /dev/null
+++ b/example_bin/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "example_bin"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/example_bin/src/main.rs b/example_bin/src/main.rs
new file mode 100644
index 0000000..e7a11a9
--- /dev/null
+++ b/example_bin/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}
diff --git a/example_lib/Cargo.toml b/example_lib/Cargo.toml
new file mode 100644
index 0000000..2794f7e
--- /dev/null
+++ b/example_lib/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "example_lib"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/example_lib/src/lib.rs b/example_lib/src/lib.rs
new file mode 100644
index 0000000..b93cf3f
--- /dev/null
+++ b/example_lib/src/lib.rs
@@ -0,0 +1,14 @@
+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
deleted file mode 100644
index 6d21af3..0000000
--- a/src/lib.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-pub fn two() -> i32 {
-    2
-}