Merge pull request #1313 from seporterfield/reorder-exercises

Reorder exercises

Author: manyinsects

exercises/README.md

@@ -7,7 +7,7 @@
 | if                     | §3.5                |
 | primitive_types        | §3.2, §4.3          |
 | vecs                   | §8.1                |
-| move_semantics         | §4.1, §4.2          |
+| move_semantics         | §4.1-2              |
 | structs                | §5.1, §5.3          |
 | enums                  | §6, §18.3           |
 | strings                | §8.2                |
@@ -19,8 +19,9 @@
 | traits                 | §10.2               |
 | tests                  | §11.1               |
 | lifetimes              | §10.3               |
-| standard_library_types | §13.2, §15.1, §16.3 |
-| threads                | §16.1, §16.2, §16.3 |
+| iterators              | §13.2-4             |
+| threads                | §16.1-3             |
+| smart_pointers         | §15, §16.3          |
 | macros                 | §19.6               |
-| clippy                 | n/a                 |
+| clippy                 | §21.4               |
 | conversions            | n/a                 |

exercises/iterators/README.md

@@ -0,0 +1,8 @@
+# Iterators
+
+This section will teach you about Iterators.
+
+## Further information
+
+- [Iterator](https://doc.rust-lang.org/book/ch13-02-iterators.html)
+- [Iterator documentation](https://doc.rust-lang.org/stable/std/iter/)

exercises/standard_library_types/iterators1.rs renamed to exercises/iterators/iterators1.rs

@@ -0,0 +1,11 @@
+# Smart Pointers
+In Rust, smart pointers are variables that contain an address in memory and reference some other data, but they also have additional metadata and capabilities.
+Smart pointers in Rust often own the data they point to, while references only borrow data.
+
+## Further Information
+
+- [Smart Pointers](https://doc.rust-lang.org/book/ch15-00-smart-pointers.html)
+- [Using Box to Point to Data on the Heap](https://doc.rust-lang.org/book/ch15-01-box.html)
+- [Rc\<T\>, the Reference Counted Smart Pointer](https://doc.rust-lang.org/book/ch15-04-rc.html)
+- [Shared-State Concurrency](https://doc.rust-lang.org/book/ch16-03-shared-state.html)
+- [Cow Documentation](https://doc.rust-lang.org/std/borrow/enum.Cow.html)