Updated math lib and import in cargo toml file

Cargo.toml

@@ -19,6 +19,8 @@ default = ["console_error_panic_hook"]
 [dependencies]
 wasm-bindgen = "0.2.63"
 
+math = { path = "math", version = "0.1.0" }
+
 # The `console_error_panic_hook` crate provides better debugging of panics by
 # logging them with `console.error`. This is great for development, but requires
 # all the `std::fmt` and `std::panicking` infrastructure, so isn't great for

math/src/lib.rs

@@ -1,8 +1,6 @@
-mod math {
-    #[allow(dead_code)]
-    pub fn sum(a: i32, b: i32) -> i32 {
+#[allow(dead_code)]
+pub fn sum(a: i32, b: i32) -> i32 {
     a + b
-    }
 }
 
 #[cfg(test)]
@@ -11,6 +9,6 @@ mod tests {
 
     #[test]
     fn it_works() {
-        assert_eq!(math::sum(10, 10), 20);
+        assert_eq!(sum(10, 10), 20);
     }
 }

src/main.rs

@@ -0,0 +1,6 @@
+use math;
+
+fn main() {
+    let sum = math::sum(1, 2);
+    println!("Sum number {}", sum)
+}

src/utils.rs

@@ -1,3 +1,4 @@
+#[allow(dead_code)]
 pub fn set_panic_hook() {
     // When the `console_error_panic_hook` feature is enabled, we can call the
     // `set_panic_hook` function at least once during initialization, and then

wasmweb-sample.iml

@@ -5,6 +5,8 @@
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/math/src" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/math/target" />
       <excludeFolder url="file://$MODULE_DIR$/target" />
     </content>
     <orderEntry type="inheritedJdk" />