Add how to use brace bracket syntax

src/mod/use.md

@@ -1,9 +1,25 @@
 # The `use` declaration
 
 The `use` declaration can be used to bind a full path to a new name, for easier
-access.
+access. It is often used like this:
 
-```rust,editable
+```rust,editable,ignore
+// extern crate deeply; // normally, this would exist and not be commented out!
+
+use deeply::nested::{
+    my_first_function,
+    my_second_function,
+    AndATraitType
+};
+
+fn main() {
+    my_first_function();
+}
+```
+
+You can use the `as` keyword to bind imports to a different name:
+
+```rust,editable,ignore
 // Bind the `deeply::nested::function` path to `other_function`.
 use deeply::nested::function as other_function;
 
@@ -37,4 +53,4 @@ fn main() {
 
     function();
 }
-```
+```