5 files changed, 10 insertions, 10 deletions
diff --git a/src/failable/filter.rs b/src/failable/filter.rs
index 36440fe..3917a61 100644
--- a/src/failable/filter.rs
+++ b/src/failable/filter.rs
@@ -355,7 +355,7 @@ mod tests {
 
     #[test]
     fn compile_test() {
-        let a = |r: &i32| -> Result<bool, StupError> { Ok(true) };
+        let a = |_: &i32| -> Result<bool, StupError> { Ok(true) };
 
         assert!(a.filter(&1).unwrap());
     }
diff --git a/src/failable/ops/and.rs b/src/failable/ops/and.rs
index 4568b71..f0a1584 100644
--- a/src/failable/ops/and.rs
+++ b/src/failable/ops/and.rs
@@ -31,7 +31,7 @@ impl<N, T, U, E> FailableFilter<N> for FailableAnd<T, U>
     type Error = E;
 
     fn filter(&self, e: &N) -> Result<bool, Self::Error> {
-        Ok(try!(self.0.filter(e)) && try!(self.1.filter(e)))
+        Ok(self.0.filter(e)? && self.1.filter(e)?)
     }
 }
 
diff --git a/src/failable/ops/or.rs b/src/failable/ops/or.rs
index b482e63..9cebc75 100644
--- a/src/failable/ops/or.rs
+++ b/src/failable/ops/or.rs
@@ -31,7 +31,7 @@ impl<N, T, U, E> FailableFilter<N> for FailableOr<T, U>
     type Error = E;
 
     fn filter(&self, e: &N) -> Result<bool, Self::Error> {
-        Ok(try!(self.0.filter(e)) || try!(self.1.filter(e)))
+        Ok(self.0.filter(e)? || self.1.filter(e)?)
     }
 }
 
diff --git a/src/failable/ops/xor.rs b/src/failable/ops/xor.rs
index 9ccfd8e..d8a83bb 100644
--- a/src/failable/ops/xor.rs
+++ b/src/failable/ops/xor.rs
@@ -31,7 +31,7 @@ impl<N, T, U, E> FailableFilter<N> for FailableXOr<T, U>
     type Error = E;
 
     fn filter(&self, e: &N) -> Result<bool, Self::Error> {
-        Ok(try!(self.0.filter(e)) ^ try!(self.1.filter(e)))
+        Ok(self.0.filter(e)? ^ self.1.filter(e)?)
     }
 }
 
diff --git a/src/iter.rs b/src/iter.rs
index e5acb6e..14b64a8 100644
--- a/src/iter.rs
+++ b/src/iter.rs
@@ -134,11 +134,11 @@ mod test {
             }
         }
 
-        let foo = Foo;
+        let f = Foo;
 
         let v : Vec<u64> = vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
             .into_iter()
-            .filter_with(foo)
+            .filter_with(f)
             .collect();
 
         assert_eq!(v, vec![6, 7, 8, 9]);
@@ -153,12 +153,12 @@ mod test {
             }
         }
 
-        let foo = Foo;
+        let f = Foo;
 
         let v : Vec<Result<u64, u64>> =
             vec![Ok(1), Err(2), Ok(3), Err(4), Ok(5), Err(6), Ok(7), Err(8), Ok(9), Err(0)]
             .into_iter()
-            .filter_oks(foo)
+            .filter_oks(f)
             .collect();
 
         assert_eq!(v, vec![Err(2), Err(4), Err(6), Ok(7), Err(8), Ok(9), Err(0)]);
@@ -173,12 +173,12 @@ mod test {
             }
         }
 
-        let foo = Foo;
+        let f = Foo;
 
         let v : Vec<Result<u64, u64>> =
             vec![Ok(1), Err(2), Ok(3), Err(4), Ok(5), Err(6), Ok(7), Err(8), Ok(9), Err(0)]
             .into_iter()
-            .filter_errs(foo)
+            .filter_errs(f)
             .collect();
 
         assert_eq!(v, vec![Ok(1), Ok(3), Ok(5), Err(6), Ok(7), Err(8), Ok(9)]);