arrayvec - cargo Package Compare versions

Comparing version 0.4.3 to 0.4.4

Cargo.toml

@@ -15,3 +15,3 @@ # THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
 name = "arrayvec"
-version = "0.4.3"
+version = "0.4.4"
 authors = ["bluss"]
@@ -33,4 +33,4 @@ description = "A vector with fixed capacity, backed by an array (it can be stored on the stack too). Implements fixed capacity ArrayVec and ArrayString."
 harness = false
-[dependencies.odds]
-version = "0.2.23"
+[dependencies.nodrop]
+version = "0.1.8"
 default-features = false
@@ -43,5 +43,8 @@
 
-[dependencies.nodrop]
-version = "0.1.8"
+[dependencies.odds]
+version = "0.2.23"
 default-features = false
+[dev-dependencies.bencher]
+version = "0.1.4"
+
 [dev-dependencies.matches]
@@ -53,9 +56,6 @@ version = "0.1"
 
-[dev-dependencies.bencher]
-version = "0.1.4"
-
 [features]
+use_union = []
+default = ["std"]
 std = []
 serde-1 = ["serde"]
-default = ["std"]
-use_union = []

README.rst

@@ -25,2 +25,6 @@
 
+- 0.4.4
+
+  - Add method ``ArrayVec::truncate()`` by @niklasf
+
 - 0.4.3
@@ -27,0 +31,0 @@

src/array_string.rs

@@ -34,2 +34,3 @@ use std::borrow::Borrow;
 impl<A: Array<Item=u8>> Default for ArrayString<A> {
+    /// Return an empty `ArrayString`
     fn default() -> ArrayString<A> {
@@ -36,0 +37,0 @@ ArrayString::new()

src/lib.rs

@@ -445,2 +445,21 @@ //! **arrayvec** provides the types `ArrayVec` and `ArrayString`:
 
+    /// Shortens the vector, keeping the first `len` elements and dropping
+    /// the rest.
+    ///
+    /// If `len` is greater than the vector's current length this has no
+    /// effect.
+    ///
+    /// ```
+    /// use arrayvec::ArrayVec;
+    ///
+    /// let mut array = ArrayVec::from([1, 2, 3, 4, 5]);
+    /// array.truncate(3);
+    /// assert_eq!(&array[..], &[1, 2, 3]);
+    /// array.truncate(4);
+    /// assert_eq!(&array[..], &[1, 2, 3]);
+    /// ```
+    pub fn truncate(&mut self, len: usize) {
+        while self.len() > len { self.pop(); }
+    }
+
     /// Remove all elements in the vector.
@@ -946,2 +965,3 @@ pub fn clear(&mut self) {
 impl<A: Array> Default for ArrayVec<A> {
+    /// Return an empty array
     fn default() -> ArrayVec<A> {
@@ -948,0 +968,0 @@ ArrayVec::new()

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