.

tests/test.rs

@@ -0,0 +1,62 @@
+
+e::new_exception!(GenericError, u32);
+e::new_exception!(OtherError, Box<String>);
+e::new_exception!(DropError, DropTest);
+
+
+#[test]
+fn test() {
+    let e = test2();
+    println!("{:?}", e);
+}
+
+
+fn test2() -> e::Result<()> {
+
+    for i in 0..3 {
+        let exception = generic(i).unwrap_err();
+
+
+    }
+
+
+    for i in 0..3 {
+        let exception = generic(i).unwrap_err();
+
+
+        match e::M2::from(exception) {
+
+            e::M2::V0(e) if { let _: &GenericError = &e; true } => {
+                println!("Generic: {e:?}")
+            }
+            
+            e::M2::V1(e) => {
+                let _: &OtherError = &e;
+                println!("Other: {e:?}");
+            }
+
+            error => error?,
+            
+        }
+    }
+    Ok(())
+
+}
+
+
+fn generic(i: u32) -> e::Result<()> {
+    match i {
+        0 => Err(GenericError(0x69u32))?,
+        1 => Err(OtherError(Box::new("Hello World".to_string())))?,
+        2 => Err(DropError(DropTest))?,
+        _ => unreachable!()
+    }
+}
+
+#[derive(Debug)]
+struct DropTest;
+impl Drop for DropTest {
+    fn drop(&mut self) {
+        println!("Dropped @ {self:p}");
+    }
+}