Upgrade rust/crates/itertools to 0.10.1
Test: make
Change-Id: Iebba7d7b3ef9be793890115e01a696300db2dfbb
diff --git a/src/concat_impl.rs b/src/concat_impl.rs
index 0233d01..450f7fc 100644
--- a/src/concat_impl.rs
+++ b/src/concat_impl.rs
@@ -1,8 +1,8 @@
use crate::Itertools;
-/// Combine all an iterator's elements into one element by using `Extend`.
+/// Combine all an iterator's elements into one element by using [`Extend`].
///
-/// `IntoIterator`-enabled version of `.concat()`
+/// [`IntoIterator`]-enabled version of [`Itertools::concat`].
///
/// This combinator will extend the first item with each of the rest of the
/// items of the iterator. If the iterator is empty, the default value of