100 exercises to learn Rust

exercises/02_basic_calculator/10_as_casting/Cargo.toml

@@ -0,0 +1,4 @@
+[package]
+name = "as_cast"
+version = "0.1.0"
+edition = "2021"

exercises/02_basic_calculator/10_as_casting/src/lib.rs

@@ -0,0 +1,22 @@
+// TODO: based on what you learned in this section, replace `todo!()` with
+//  the correct value after the conversion.
+
+#[cfg(test)]
+mod tests {
+
+    #[test]
+    fn u16_to_u32() {
+        assert_eq!(47u16 as u32, todo!());
+    }
+
+    #[test]
+    #[allow(overflowing_literals)]
+    fn u8_to_i8() {
+        assert_eq!(255 as i8, todo!());
+    }
+
+    #[test]
+    fn bool_to_u8() {
+        assert_eq!(true as u8, todo!());
+    }
+}