Add rustfmt.toml and reformat.

src/iter.rs

@@ -13,32 +13,32 @@ use crate::{Key, Spline};
 /// This iterator type is guaranteed to iterate over sorted keys.
 pub struct Iter<'a, T, V>
 where
-    T: 'a,
-    V: 'a,
+  T: 'a,
+  V: 'a,
 {
-    spline: &'a Spline<T, V>,
-    i: usize,
+  spline: &'a Spline<T, V>,
+  i: usize,
 }
 
 impl<'a, T, V> Iterator for Iter<'a, T, V> {
-    type Item = &'a Key<T, V>;
+  type Item = &'a Key<T, V>;
 
-    fn next(&mut self) -> Option<Self::Item> {
-        let r = self.spline.0.get(self.i);
+  fn next(&mut self) -> Option<Self::Item> {
+    let r = self.spline.0.get(self.i);
 
-        if let Some(_) = r {
-            self.i += 1;
-        }
-
-        r
+    if let Some(_) = r {
+      self.i += 1;
     }
+
+    r
+  }
 }
 
 impl<'a, T, V> IntoIterator for &'a Spline<T, V> {
-    type Item = &'a Key<T, V>;
-    type IntoIter = Iter<'a, T, V>;
+  type Item = &'a Key<T, V>;
+  type IntoIter = Iter<'a, T, V>;
 
-    fn into_iter(self) -> Self::IntoIter {
-        Iter { spline: self, i: 0 }
-    }
+  fn into_iter(self) -> Self::IntoIter {
+    Iter { spline: self, i: 0 }
+  }
 }