Merge pull request exercism#123 from IanWhitney/update_custom_set

Update Custom Set to follow new standard suite
IanWhitney · May 16, 2016 · c06ae40 · c06ae40
2 parents 52d58d4 + 8c197fc
commit c06ae40
Show file tree

Hide file tree

Showing 2 changed files with 67 additions and 297 deletions.
diff --git a/exercises/custom-set/example.rs b/exercises/custom-set/example.rs
@@ -25,10 +25,6 @@ impl<T: Ord + Clone> CustomSet<T> {
         }
     }
 
-    pub fn delete(&mut self, element: &T) {
-        self.collection.retain(|x| x != element)
-    }
-
     pub fn contains(&self, other: &T) -> bool {
         self.collection.contains(other)
     }
@@ -37,10 +33,6 @@ impl<T: Ord + Clone> CustomSet<T> {
         self.collection.is_empty()
     }
 
-    pub fn size(&self) -> usize {
-        self.collection.len()
-    }
-
     pub fn is_subset(&self, other: &Self) -> bool {
         self.collection.iter().all(|x| other.contains(x))
     }
@@ -72,13 +64,4 @@ impl<T: Ord + Clone> CustomSet<T> {
                            .filter(|c| !other.contains(c))
                            .collect())
     }
-
-    pub fn symmetric_difference(&self, other: &Self) -> CustomSet<T> {
-        CustomSet::new(self.difference(other)
-                           .collection
-                           .iter()
-                           .cloned()
-                           .chain(other.difference(self).collection.iter().cloned())
-                           .collect())
-    }
 }