rework error system

- JoshutoErrorKind now envelops all possible errors by Joshuto
- JoshutoError behaves like std::io::Error
- add JoshutoResult

2 files changed, 4 insertions, 2 deletions

diff --git a/src/config/keymap.rs b/src/config/keymap.rs
index 7bce940..f711409 100644
--- a/src/config/keymap.rs
+++ b/src/config/keymap.rs
@@ -148,7 +148,7 @@ impl Flattenable<JoshutoCommandMapping> for JoshutoRawCommandMapping {
             let args: Vec<&str> = m.args.iter().map(String::as_str).collect();
             match commands::from_args(m.command.as_str(), &args) {
                 Ok(command) => insert_keycommand(&mut keymaps, command, &m.keys[..]),
-                Err(e) => eprintln!("{}", e),
+                Err(e) => eprintln!("{}", e.cause()),
             }
         });
         keymaps
diff --git a/src/config/mimetype.rs b/src/config/mimetype.rs
index 567dc2d..c36e812 100644
--- a/src/config/mimetype.rs
+++ b/src/config/mimetype.rs
@@ -46,7 +46,9 @@ impl JoshutoMimetypeEntry {
 impl std::fmt::Display for JoshutoMimetypeEntry {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         f.write_str(self.get_command()).unwrap();
-        self.get_args().iter().for_each(|arg| write!(f, " {}", arg).unwrap());
+        self.get_args()
+            .iter()
+            .for_each(|arg| write!(f, " {}", arg).unwrap());
 
         f.write_str("\t[").unwrap();
         if self.get_fork() {