From 0430d712a43da759c4295e9db6262936f7e4a58d Mon Sep 17 00:00:00 2001
From: Raz Luvaton <16746759+rluvaton@users.noreply.github.com>
Date: Thu, 15 May 2025 18:39:24 +0300
Subject: [PATCH] bench: return the target and the bytes to avoid compiler
 optimize away the code

---
 benches/varint_bench/main.rs | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/benches/varint_bench/main.rs b/benches/varint_bench/main.rs
index 7f36c1e..053cfe6 100644
--- a/benches/varint_bench/main.rs
+++ b/benches/varint_bench/main.rs
@@ -335,7 +335,9 @@ pub fn criterion_benchmark(c: &mut Criterion) {
             || rng.gen::<u8>(),
             |num| {
                 let mut target = [0u8; 16];
-                u8::encode_var(num, &mut target)
+                let bytes = u8::encode_var(num, &mut target);
+
+                (target, bytes)
             },
             BatchSize::SmallInput,
         )
@@ -437,7 +439,9 @@ pub fn criterion_benchmark(c: &mut Criterion) {
             || rng.gen::<u16>(),
             |num| {
                 let mut target = [0u8; 16];
-                u16::encode_var(num, &mut target)
+                let bytes = u16::encode_var(num, &mut target);
+
+                (target, bytes)
             },
             BatchSize::SmallInput,
         )
@@ -530,7 +534,9 @@ pub fn criterion_benchmark(c: &mut Criterion) {
             || rng.gen::<u32>(),
             |num| {
                 let mut target = [0u8; 16];
-                u32::encode_var(num, &mut target)
+                let bytes = u32::encode_var(num, &mut target);
+
+                (target, bytes)
             },
             BatchSize::SmallInput,
         )
@@ -624,7 +630,9 @@ pub fn criterion_benchmark(c: &mut Criterion) {
             || rng.gen::<u64>(),
             |num| {
                 let mut target = [0u8; 16];
-                u64::encode_var(num, &mut target)
+                let bytes = u64::encode_var(num, &mut target);
+
+                (target, bytes)
             },
             BatchSize::SmallInput,
         )