From f41fce9e310f8e858a76a2c3951249b2cc633a2b Mon Sep 17 00:00:00 2001
From: Shane Celis <shane.celis@gmail.com>
Date: Sun, 14 Apr 2024 17:55:48 -0400
Subject: [PATCH] feature: Make Fid cloneable. (#26)

---
 src/fid.rs                                    | 2 ++
 src/internal_data_structure/popcount_table.rs | 1 +
 2 files changed, 3 insertions(+)

diff --git a/src/fid.rs b/src/fid.rs
index ef66ff2b..934a221d 100644
--- a/src/fid.rs
+++ b/src/fid.rs
@@ -94,6 +94,7 @@ use super::internal_data_structure::popcount_table::PopcountTable;
 /// In summary:
 ///
 ///   _rank() = (value of left chunk) + (value of left block) + (value of table keyed by inner block bits)_.
+#[derive(Clone)]
 pub struct Fid {
     /// Raw data.
     byte_vec: Vec<u8>,
@@ -116,6 +117,7 @@ pub struct FidIter<'iter> {
     i: u64,
 }
 
+#[derive(Clone)]
 /// Collection of Chunk.
 struct Chunks {
     chunks: Vec<Chunk>,
diff --git a/src/internal_data_structure/popcount_table.rs b/src/internal_data_structure/popcount_table.rs
index 0db1f271..43c1938b 100644
--- a/src/internal_data_structure/popcount_table.rs
+++ b/src/internal_data_structure/popcount_table.rs
@@ -1,4 +1,5 @@
 /// Cache table of `popcount` results.
+#[derive(Clone)]
 pub struct PopcountTable {
     bit_length: u8,