From d184ddbe3714f5f805856b609f7489ddeebf8e39 Mon Sep 17 00:00:00 2001
From: Ivan Enderlin <ivan.enderlin@hoa-project.net>
Date: Fri, 3 Apr 2020 16:20:22 +0200
Subject: [PATCH] feat(interface-types) Use `Vec::last_mut` to simplify code.

---
 src/interpreter/wasm/serde/ser.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/interpreter/wasm/serde/ser.rs b/src/interpreter/wasm/serde/ser.rs
index 0fdd923..e56ecab 100644
--- a/src/interpreter/wasm/serde/ser.rs
+++ b/src/interpreter/wasm/serde/ser.rs
@@ -79,9 +79,7 @@ impl Serializer {
     }
 
     fn last(&mut self) -> &mut Vec<InterfaceValue> {
-        let index = self.values.len() - 1;
-
-        &mut self.values[index]
+        self.values.last_mut().unwrap()
     }
 
     fn push_with_capacity(&mut self, capacity: usize) {