Mention vec![x; len] syntax in Vec docs

48606e3e · Nicolette Verlinden · 68fc2d98 · 48606e3e
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src/libcollections/vec.rs src/libcollections/vec.rs +7 -0

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--- a/src/libcollections/vec.rs
+++ b/src/libcollections/vec.rs
@@ -112,6 +112,13 @@
 /// assert_eq!(vec, [1, 2, 3, 4]);
 /// ```
 ///
+/// It can also initialize each element of a `Vec<T>` with a given value:
+///
+/// ```
+/// let vec = vec![0; 5];
+/// assert_eq!(vec, [0, 0, 0, 0, 0]);
+/// ```
+///
 /// Use a `Vec<T>` as an efficient stack:
 ///
 /// ```