Init

src/error.rs

@@ -0,0 +1,20 @@
+use std::fmt;
+use subprocess::PopenError;
+
+#[derive(Debug)]
+pub enum AppError {
+    PartOfSpeechError(&'static str),
+    GrammemError(&'static str),
+    PopenError(PopenError),
+    MystemError(&'static str),
+}
+impl fmt::Display for AppError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "An error occurred.")
+    }
+}
+impl From<PopenError> for AppError {
+    fn from(e: PopenError) -> AppError {
+        return AppError::PopenError(e);
+    }
+}