Add optional serde support

Author: meh

Cargo.toml

@@ -15,11 +15,12 @@ categories = ["embedded", "no-std", "data-structures"]
 
 
 [dependencies]
+serde = { version = "1", features = ["derive"], optional = true }
 
 [features]
 default = ["std"]
 std = []
 
 [badges]
 travis-ci = {repository = "kjetilkjeka/uX", branch = "master"}
-maintenance = {status = "actively-developed"}
+maintenance = {status = "actively-developed"}

src/lib.rs

@@ -11,6 +11,9 @@
 
 #![cfg_attr(not(feature="std"), no_std)]
 
+#[cfg(feature = "serde")]
+#[macro_use]
+extern crate serde;
 
 mod lib {
     pub mod core {
@@ -64,6 +67,7 @@ macro_rules! define_unsigned {
        #[$doc]
         #[allow(non_camel_case_types)]
         #[derive(Default, Clone, Copy, Debug)]
+        #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
         pub struct $name($type);
 
         impl $name {
@@ -87,6 +91,7 @@ macro_rules! define_signed {
         #[$doc]
         #[allow(non_camel_case_types)]
         #[derive(Default, Clone, Copy, Debug)]
+        #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
         pub struct $name($type);
 
         #[$doc]