From f91d6a59d2b9ca88c79211777b2328e3fbb97aa8 Mon Sep 17 00:00:00 2001
From: Steven Fackler <sfackler@gmail.com>
Date: Mon, 18 Apr 2016 20:54:33 -0700
Subject: [PATCH] Mention Option<T> and Vec<T> impls in README

---
 README.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/README.md b/README.md
index 7665b21c..204d61b3 100644
--- a/README.md
+++ b/README.md
@@ -262,6 +262,13 @@ types. The driver currently supports the following conversions:
     </tbody>
 </table>
 
+`Option<T>` implements `FromSql` where `T: FromSql` and `ToSql` where `T:
+ToSql`, and represents nullable Postgres values.
+
+`&[T]` and `Vec<T>` implement `ToSql` where `T: ToSql`, and  `Vec<T>`
+additionally implements `FromSql` where `T: FromSql`, which represent
+one-dimensional Postgres arrays.
+
 More conversions can be defined by implementing the `ToSql` and `FromSql`
 traits.