Implement std::error::Error trait for webpki::Error

* Implement `std::fmt::Debug` for `webpki::Error`
* Implement `std::fmt::Display` for `webpki::Error`
* Implement `std::error::Error` for `webpki::Error`

Author: 0xrinegade

src/main.rs

@@ -36,6 +36,20 @@ impl std::fmt::Display for WebPkiError {
 
 impl std::error::Error for WebPkiError {}
 
+impl std::fmt::Debug for webpki::Error {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", self)
+    }
+}
+
+impl std::fmt::Display for webpki::Error {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self)
+    }
+}
+
+impl std::error::Error for webpki::Error {}
+
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let app_matches = parse_command_line();