From ff6ad21cc1034826b2ab3f8be0653d8c446e1bdc Mon Sep 17 00:00:00 2001
From: Eric Huss <eric@huss.org>
Date: Thu, 27 Jul 2023 14:04:03 -0700
Subject: [PATCH] Silence dropping_references lint. (#514)

---
 src/easy/handler.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/easy/handler.rs b/src/easy/handler.rs
index f53896e8e..95e365ffb 100644
--- a/src/easy/handler.rs
+++ b/src/easy/handler.rs
@@ -112,7 +112,7 @@ pub trait Handler {
     /// `transfer` method and then using `read_function` to configure a
     /// callback that can reference stack-local data.
     fn read(&mut self, data: &mut [u8]) -> Result<usize, ReadError> {
-        drop(data);
+        let _ = data; // ignore unused
         Ok(0)
     }
 
@@ -136,7 +136,7 @@ pub trait Handler {
     /// By default data this option is not set, and this corresponds to the
     /// `CURLOPT_SEEKFUNCTION` and `CURLOPT_SEEKDATA` options.
     fn seek(&mut self, whence: SeekFrom) -> SeekResult {
-        drop(whence);
+        let _ = whence; // ignore unused
         SeekResult::CantSeek
     }
 
@@ -186,7 +186,7 @@ pub trait Handler {
     /// By default this option is not set and corresponds to the
     /// `CURLOPT_HEADERFUNCTION` and `CURLOPT_HEADERDATA` options.
     fn header(&mut self, data: &[u8]) -> bool {
-        drop(data);
+        let _ = data; // ignore unused
         true
     }
 
@@ -222,7 +222,7 @@ pub trait Handler {
     /// By default this function calls an internal method and corresponds to
     /// `CURLOPT_PROGRESSFUNCTION` and `CURLOPT_PROGRESSDATA`.
     fn progress(&mut self, dltotal: f64, dlnow: f64, ultotal: f64, ulnow: f64) -> bool {
-        drop((dltotal, dlnow, ultotal, ulnow));
+        let _ = (dltotal, dlnow, ultotal, ulnow); // ignore unused
         true
     }