Merge pull request #58 from hashmismatch/integer_hash_eq

Hash & Eq traits for the built-in wrapper types

Author: rudib

packed_struct/src/internal_prelude/no_std.rs

@@ -13,6 +13,7 @@ pub use core::mem;
 pub use core::intrinsics::write_bytes;
 pub use core::ops::Deref;
 pub use core::slice;
+pub use core::hash::{Hash, Hasher};
 
 #[cfg(feature="alloc")]
 pub use alloc::vec::Vec;

packed_struct/src/internal_prelude/std.rs

@@ -22,3 +22,4 @@ pub use std::sync::Arc;
 pub use std::str::from_utf8;
 pub use std::ops::Deref;
 pub use std::slice;
+pub use std::hash::{Hash, Hasher};

packed_struct/src/types_num.rs

@@ -56,6 +56,14 @@ impl<T, B> PartialEq for Integer<T, B> where T: PartialEq {
     }
 }
 
+impl<T, B> Eq for Integer<T, B> where T: Eq {}
+
+impl<T, B> Hash for Integer<T, B> where T: Hash {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        self.num.hash(state);
+    }
+}
+
 impl<T, B> Integer<T, B> where Self: Copy {
     /// Convert into a MSB packing helper
     pub fn as_packed_msb(&self) -> MsbInteger<T, B, Self> {

packed_struct/src/types_reserved.rs

@@ -15,7 +15,7 @@ pub trait ReservedBitValue {
 }
 
 #[cfg_attr(feature = "use_serde", derive(Serialize, Deserialize))]
-#[derive(Default, Copy, Clone, PartialEq)]
+#[derive(Default, Copy, Clone, PartialEq, Eq, Hash)]
 pub struct BitOne;
 impl ReservedBitValue for BitOne {
     fn get_reserved_bit_value_byte() -> u8 {
@@ -24,7 +24,7 @@ impl ReservedBitValue for BitOne {
 }
 
 #[cfg_attr(feature = "use_serde", derive(Serialize, Deserialize))]
-#[derive(Default, Copy, Clone, PartialEq)]
+#[derive(Default, Copy, Clone, PartialEq, Eq, Hash)]
 pub struct BitZero;
 impl ReservedBitValue for BitZero {
     fn get_reserved_bit_value_byte() -> u8 {
@@ -34,7 +34,7 @@ impl ReservedBitValue for BitZero {
 
 /// Always packs into the associated bit value. Ignores the input when unpacking.
 #[cfg_attr(feature = "use_serde", derive(Serialize, Deserialize))]
-#[derive(Default, Copy, Clone, PartialEq)]
+#[derive(Default, Copy, Clone, PartialEq, Eq, Hash)]
 pub struct ReservedBits<V, B> {
     value: V,
     bits: PhantomData<B>