Fine, clever is ok

wycats · wycats · commit 8d98245d97d2 · 2014-06-27T18:51:52.000-07:00
diff --git a/src/conduit.rs b/src/conduit.rs
@@ -118,8 +118,8 @@ pub trait Handler {
     fn call(&self, request: &mut Request) -> Result<Response, Box<Show>>;
 }
 
-impl Handler for fn(&mut Request) -> Result<Response, Box<Show>> {
+impl<T: 'static + Show> Handler for fn(&mut Request) -> Result<Response, T> {
     fn call(&self, request: &mut Request) -> Result<Response, Box<Show>> {
-        { (*self)(request) }
+        { (*self)(request) }.map_err(|e| box e as Box<Show>)
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -118,8 +118,8 @@ pub trait Handler {`
`118`	`118`	`fn call(&self, request: &mut Request) -> Result<Response, Box<Show>>;`
`119`	`119`	`}`
`120`	`120`
`121`		`-impl Handler for fn(&mut Request) -> Result<Response, Box<Show>> {`
	`121`	`+impl<T: 'static + Show> Handler for fn(&mut Request) -> Result<Response, T> {`
`122`	`122`	`fn call(&self, request: &mut Request) -> Result<Response, Box<Show>> {`
`123`		`- { (*self)(request) }`
	`123`	`+ { (*self)(request) }.map_err(\|e\| box e as Box<Show>)`
`124`	`124`	`}`
`125`	`125`	`}`