derive macro

src/lib.rs

@@ -1,6 +1,5 @@
-use std::u16;
-
 use anyhow::{Ok, Result};
+pub use poppable_derive::PushPopParse;
 
 //pub type BytesRef = AsRef<u8>;
 
@@ -236,3 +235,28 @@ flt_impl_pop_non_ne!(f32);
 
 core_impl_pop_ne!(f64);
 flt_impl_pop_non_ne!(f64);
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let mut s: &[u8] = &vec![4, 8, 15, 16, 23, 42];
+        let ans = u8::pop_ne_from(&mut s).unwrap();
+        assert_eq!(ans, 4);
+    }
+
+    #[test]
+    fn derive_test() {
+        #[derive(PushPopParse)]
+        struct Thing {
+            a: u8,
+            b: u8,
+        }
+        let mut s: &[u8] = &vec![4, 8, 15, 16, 23, 42];
+        let thing = Thing::pop_ne_from(&mut s).unwrap();
+        assert_eq!(thing.a, 4);
+        assert_eq!(thing.b, 8);
+    }
+}