Add raw pointers to well known traits table

nathanwhit · nathanwhit · commit 5b366c48d50e · 2020-05-07T15:02:23.000-04:00
diff --git a/book/src/clauses/well_known_traits.md b/book/src/clauses/well_known_traits.md
@@ -35,6 +35,7 @@ Some common examples of auto traits are `Send` and `Sync`.
 | scalar types    | 📚    | 📚    | ✅     | ⚬     | ⚬   |  ⚬  |  ⚬     |  ⚬       |    ❌        |
 | trait objects   | ⚬    | ⚬    | ⚬     |  ✅    | ⚬    | ⚬   | ⚬      |  ⚬       |    ⚬        |
 | functions ptrs  | ✅    | ✅    | ✅     | ⚬     | ⚬    | ❌   | ⚬      |  ⚬       |    ❌         |
+| raw ptrs        | ✅   |  ✅  |   ✅   |  o    |   o   |  o  |   o    |   o      |      ❌      |
 | arrays❌         | ❌     | ❌    | ❌     | ❌      | ⚬   | ⚬   | ⚬      |  ⚬       |    ❌        |
 | slices❌         | ❌     | ❌    | ⚬     | ❌      | ⚬   | ⚬   | ⚬      |  ⚬       |    ❌       |
 | closures❌       | ❌     | ❌    | ❌     | ⚬      | ⚬   | ❌   | ⚬      |  ⚬       |    ❌        |
