From 29eca72fea4f1e160a8d76d2ebda26e2c48b9658 Mon Sep 17 00:00:00 2001
From: Aaron O'Mullan <aaron.omullan@gmail.com>
Date: Sun, 11 Apr 2021 07:05:43 +0200
Subject: core: avoid async op future reboxing to bundle PromiseId (#10123)

---
 core/ops_bin.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'core/ops_bin.rs')

diff --git a/core/ops_bin.rs b/core/ops_bin.rs
index b19782449..c4c57f4b9 100644
--- a/core/ops_bin.rs
+++ b/core/ops_bin.rs
@@ -132,11 +132,11 @@ where
           p: OpPayload,
           b: Option<ZeroCopyBuf>|
           -> Op {
+      let pid = p.promise_id;
       let min_arg: u32 = p.deserialize().unwrap();
       let fut = op_fn(state.clone(), min_arg, b)
-        .map(move |result| serialize_bin_result(result, state));
-      let temp = Box::pin(fut);
-      Op::Async(temp)
+        .map(move |result| (pid, serialize_bin_result(result, state)));
+      Op::Async(Box::pin(fut))
     },
   )
 }
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