Add is_empty method for ArrayVec and ArrayString

2019-11-14 18:58:22 -03:00
parent fc6664c540
commit 633c863b0a
2 changed files with 16 additions and 0 deletions
@@ -126,6 +126,18 @@ impl<A: Array> ArrayVec<A> {
    #[inline]
    pub fn len(&self) -> usize { self.len.to_usize() }

+    /// Returns whether the `ArrayVec` is empty.
+    ///
+    /// ```
+    /// use arrayvec::ArrayVec;
+    ///
+    /// let mut array = ArrayVec::from([1]);
+    /// array.pop();
+    /// assert_eq!(array.is_empty(), true);
+    /// ```
+    #[inline]
+    pub fn is_empty(&self) -> bool { self.len() == 0 }
+
    /// Return the capacity of the `ArrayVec`.
    ///
    /// ```