From 2caf9b4e1c85d647dcfd93c00c6bd15d4b436c7f Mon Sep 17 00:00:00 2001
From: Kefu Chai <kefu.chai@scylladb.com>
Date: Wed, 15 Feb 2023 15:18:13 +0800
Subject: [PATCH] idl-compiler: mark captured this used

sometime the captured `this` is used in the generated C++ code,
while some time it is not. to reenable `-Wunused-lambda-capture`
warning, let's mark this `this` as used.

Signed-off-by: Kefu Chai <kefu.chai@scylladb.com>
---
 idl-compiler.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/idl-compiler.py b/idl-compiler.py
index bdfa56d8a2..c94e5b9613 100755
--- a/idl-compiler.py
+++ b/idl-compiler.py
@@ -1477,6 +1477,7 @@ def add_view(cout, cls):
             fprintln(cout, reindent(4, """
                 auto {name}() const {{
                   return seastar::with_serialized_stream(v, [this] (auto& v) -> decltype({f}(std::declval<utils::input_stream&>(), boost::type<{full_type}>())) {{
+                   std::ignore = this;
                    auto in = v;
                    {skip}
                    return {deser};