Merge pull request #89 from marcaddeo/master

Add a cause() method to EmitError
2017-11-22 10:48:52 +08:00 · 2017-11-22 10:48:52 +08:00 · db768d59bb
commit db768d59bb
parent 0b3440578a 519e2812e4
1 changed files with 4 additions and 0 deletions
--- a/parser/src/emitter.rs
+++ b/parser/src/emitter.rs
@ -17,6 +17,10 @@ impl Error for EmitError {
            EmitError::BadHashmapKey => "bad hashmap key",
        }
    }
+
+    fn cause(&self) -> Option<&Error> {
+        None
+    }
 }

 impl Display for EmitError {