sealed: add more functions

Author: DanglingPointer

src/sealed.rs

@@ -46,14 +46,9 @@ impl<T> Queue<T> {
         inner.len() != initial_len
     }
 
-    pub fn remove_if<F>(&mut self, mut pred: F) -> bool
-    where
-        F: FnMut(&T) -> bool,
-    {
-        let inner = self.0.get_mut();
-        let initial_len = inner.len();
-        inner.retain(|e| !pred(e));
-        inner.len() != initial_len
+    pub fn clear(&self) {
+        let inner = unsafe { &mut *self.0.get() };
+        inner.clear();
     }
 
     pub fn len(&self) -> usize {
@@ -69,6 +64,16 @@ impl<T> Queue<T> {
     pub fn is_empty(&self) -> bool {
         self.len() == 0
     }
+
+    pub fn into_inner(self) -> VecDeque<T> {
+        self.0.into_inner()
+    }
+}
+
+impl<T> From<VecDeque<T>> for Queue<T> {
+    fn from(vec_deque: VecDeque<T>) -> Self {
+        Self(UnsafeCell::new(vec_deque))
+    }
 }
 
 impl<T: fmt::Debug> fmt::Debug for Queue<T> {
@@ -145,10 +150,25 @@ impl<T: Eq + Hash> Set<T> {
         inner.len()
     }
 
+    pub fn capacity(&self) -> usize {
+        let inner = unsafe { &*self.0.get() };
+        inner.capacity()
+    }
+
     pub fn is_empty(&self) -> bool {
         let inner = unsafe { &*self.0.get() };
         inner.is_empty()
     }
+
+    pub fn into_inner(self) -> HashSet<T> {
+        self.0.into_inner()
+    }
+}
+
+impl<T> From<HashSet<T>> for Set<T> {
+    fn from(hash_set: HashSet<T>) -> Self {
+        Self(UnsafeCell::new(hash_set))
+    }
 }
 
 impl<T: fmt::Debug> fmt::Debug for Set<T> {