clean up pipe code

1 files changed, 12 insertions, 0 deletions

diff --git a/src/parse.rs b/src/parse.rs
index 526b6ce..0249d7f 100644
--- a/src/parse.rs
+++ b/src/parse.rs
@@ -155,3 +155,15 @@ impl Error {
         &self.e
     }
 }
+
+impl std::fmt::Display for Error {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "failed to parse {}: {}", self.input, self.e)
+    }
+}
+
+impl std::error::Error for Error {
+    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
+        Some(&*self.e)
+    }
+}