Implement PartialEq,Eq for all types

1 files changed, 9 insertions, 0 deletions

diff --git a/README.md b/README.md
index 636f10e4ec..ae45ce7f40 100644
--- a/README.md
+++ b/README.md
@@ -44,6 +44,15 @@ activate the *align* feature. This requires Rust 1.25 or newer:
 libc = { version = "0.2", features = ["align"] }
 ```
 
+All structs implemented by the libc crate have the `Copy` and `Clone` traits
+implemented for them. The additional traits of `PartialEq` and `Eq` can be
+enabled with the *extra_traits* feature (requires Rust 1.25 or newer):
+
+```toml
+[dependencies]
+libc = { version = "0.2", features = ["extra_traits"] }
+```
+
 ## What is libc?
 
 The primary purpose of this crate is to provide all of the definitions necessary