Added explanation of the inclusion of "&&" on the borrow operator production
@@ -85,6 +85,19 @@ 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>**
