fix: build

Author: marvin-j97

Cargo.toml

@@ -31,7 +31,7 @@ lz4_flex = { version = "0.11.3", optional = true }
 min-max-heap = "1.3.0"
 path-absolutize = "3.1.1"
 quick_cache = "0.5.1"
-serde = { version = "1.0.200", optional = true, features = ["derive"] }
+serde = { version = "1.0.200", optional = true, features = ["derive", "rc"] }
 tempfile = "3.10.1"
 
 [dev-dependencies]

src/key_range.rs

@@ -11,6 +11,7 @@ use std::{
 
 /// A key range in the format of [min, max] (inclusive on both sides)
 #[derive(Clone, Debug, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct KeyRange((UserKey, UserKey));
 
 impl std::ops::Deref for KeyRange {