From 8502e80b1b82c5f0328e95b9c4cda2758ce38315 Mon Sep 17 00:00:00 2001
From: Rick van Voorden <rick@northbronson.com>
Date: Mon, 15 Jan 2024 12:24:52 -0800
Subject: [PATCH] timer measure generic return value

---
 Sources/CollectionsBenchmark/Basics/Timer.swift | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Sources/CollectionsBenchmark/Basics/Timer.swift b/Sources/CollectionsBenchmark/Basics/Timer.swift
index 2917140..61fc690 100644
--- a/Sources/CollectionsBenchmark/Basics/Timer.swift
+++ b/Sources/CollectionsBenchmark/Basics/Timer.swift
@@ -61,14 +61,15 @@ public struct Timer {
   }
   
   @inline(never)
-  public mutating func measure(_ body: () -> Void) {
+  public mutating func measure<T>(_ body: () -> T) -> T {
     precondition(_expectNested != false,
                  "Inconsistent timer use: Unexpected call to Timer.measure")
     let start = Tick.now
-    body()
+    let result = body()
     let end = Tick.now
     elapsedTime = end.elapsedTime(since: start)
     _expectNested = false
+    return result
   }
 }