Added explanation of the inclusion of "&&" on the borrow operator pro…

…duction
rust-lang · Nov 30, 2017 · 9c4b7a1 · 9c4b7a1
1 parent b307133
commit 9c4b7a1
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/src/expressions/operator-expr.md b/src/expressions/operator-expr.md
@@ -82,6 +82,19 @@ let mut array = [-2, 3, 9];
 }
 ```
 
+For ease of typing, consecutive borrow expressions can be expressed by the
+single token `&&` as if they were separated:
+
+```rust
+// same meanings:
+let a = &&  10;
+let a = & & 10;
+
+// same meanings:
+let a = &&  mut 10;
+let a = & & mut 10;
+```
+
 ## The dereference operator
 
 > **<sup>Syntax</sup>**