doc: list alternatives, as Rust 1.32

Closes #148

1 files changed, 8 insertions, 2 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 2ce9603..db4d24d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,6 @@
 /*!
-This crate provides convenience methods for encoding and decoding numbers
-in either [big-endian or little-endian order].
+This crate provides convenience methods for encoding and decoding numbers in
+either [big-endian or little-endian order].
 
 The organization of the crate is pretty simple. A trait, [`ByteOrder`], specifies
 byte conversion methods for each type of number in Rust (sans numbers that have
@@ -49,6 +49,12 @@ when built with the `i128` feature enabled.
 
 This crate can also be used without the standard library.
 
+# Alternatives
+
+Note that as of Rust 1.32, the standard numeric types provide built-in methods
+like `to_le_bytes` and `from_le_bytes`, which support some of the same use
+cases.
+
 [big-endian or little-endian order]: https://en.wikipedia.org/wiki/Endianness
 [`ByteOrder`]: trait.ByteOrder.html
 [`BigEndian`]: enum.BigEndian.html