From 1c4383e7fe757f9351db294b3ada3c05ecdf1f81 Mon Sep 17 00:00:00 2001
From: matt rice <ratmice@gmail.com>
Date: Mon, 17 Mar 2025 10:51:14 -0700
Subject: [PATCH] Add optional bincode dependency

---
 Cargo.toml | 9 +++++++--
 src/lib.rs | 3 +++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 88e16c3..5f7681b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,10 +9,15 @@ readme = "README.md"
 license = "Apache-2.0/MIT"
 categories = ["data-structures"]
 
+[features]
+bincode = ["dep:bincode", "vob/bincode", "packedvec/bincode"]
+serde = ["dep:serde", "vob/serde", "packedvec/serde"]
+
 [dependencies]
-vob = { version=">=3.0.2", features=["serde"] }
-packedvec = { version="1.0", features=["serde"] }
+vob = { version="3.0.4" }
+packedvec = { version="1.2.5" }
 serde = { version="1.0", features=["derive"], optional=true }
+bincode = { version="2.0", features=["derive"], optional=true }
 num-traits = "0.2"
 
 [dev-dependencies]
diff --git a/src/lib.rs b/src/lib.rs
index e0d2963..08bb460 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,7 @@
 #![allow(clippy::many_single_char_names)]
 
+#[cfg(feature = "bincode")]
+use bincode::{Decode, Encode};
 use num_traits::{AsPrimitive, FromPrimitive, PrimInt, ToPrimitive, Unsigned};
 use packedvec::PackedVec;
 #[cfg(feature = "serde")]
@@ -60,6 +62,7 @@ use vob::Vob;
 /// value = c[pos] // =3
 /// ```
 #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "bincode", derive(Encode, Decode))]
 #[derive(Debug)]
 pub struct SparseVec<T> {
     displacement: Vec<usize>, // Displacement vector