From 4f30a593ea6c267666d4389093db89063b6e1913 Mon Sep 17 00:00:00 2001
From: "Dr. Carsten Leue" <carsten.leue@de.ibm.com>
Date: Fri, 27 Oct 2023 13:23:21 +0200
Subject: [PATCH] fix: benchmarks

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
---
 samples/presentation/benchmarks/http_test.go |  7 +++--
 samples/presentation/benchmarks/map_test.go  | 27 ++++++++++++++++----
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/samples/presentation/benchmarks/http_test.go b/samples/presentation/benchmarks/http_test.go
index 390a0cc..53d55de 100644
--- a/samples/presentation/benchmarks/http_test.go
+++ b/samples/presentation/benchmarks/http_test.go
@@ -105,16 +105,19 @@ func heterogeneousHttpRequestsIdiomatic(count int) ([]T.Tuple2[PostItem, CatFact
 func BenchmarkHeterogeneousHttpRequests(b *testing.B) {
 
 	count := 100
+	var benchResults any
 
 	b.Run("functional", func(b *testing.B) {
 		for n := 0; n < b.N; n++ {
-			heterogeneousHttpRequests(count)(context.Background())()
+			benchResults = heterogeneousHttpRequests(count)(context.Background())()
 		}
 	})
 
 	b.Run("idiomatic", func(b *testing.B) {
 		for n := 0; n < b.N; n++ {
-			heterogeneousHttpRequestsIdiomatic(count)
+			benchResults, _ = heterogeneousHttpRequestsIdiomatic(count)
 		}
 	})
+
+	globalResult = benchResults
 }
diff --git a/samples/presentation/benchmarks/map_test.go b/samples/presentation/benchmarks/map_test.go
index 7a83fea..4931d23 100644
--- a/samples/presentation/benchmarks/map_test.go
+++ b/samples/presentation/benchmarks/map_test.go
@@ -29,15 +29,19 @@ import (
 var (
 	createStringSet  = createRandom(createRandomString(256))(256)
 	createIntDataSet = createRandom(randInt(10000))(256)
+
+	globalResult any
 )
 
 func BenchmarkMap(b *testing.B) {
 
 	data := createStringSet()
 
+	var benchResult []string
+
 	b.Run("functional", func(b *testing.B) {
 		for n := 0; n < b.N; n++ {
-			F.Pipe1(
+			benchResult = F.Pipe1(
 				data,
 				A.Map(strings.ToUpper),
 			)
@@ -50,8 +54,11 @@ func BenchmarkMap(b *testing.B) {
 			for _, value := range data {
 				result = append(result, strings.ToUpper(value))
 			}
+			benchResult = result
 		}
 	})
+
+	globalResult = benchResult
 }
 
 func isEven(data int) bool {
@@ -65,10 +72,11 @@ func isPrime(data int) bool {
 func BenchmarkMapThenFilter(b *testing.B) {
 
 	data := createIntDataSet()
+	var benchResult []int
 
 	b.Run("functional isPrime", func(b *testing.B) {
 		for n := 0; n < b.N; n++ {
-			F.Pipe2(
+			benchResult = F.Pipe2(
 				data,
 				A.Filter(isPrime),
 				A.Map(N.Div[int](2)),
@@ -84,11 +92,12 @@ func BenchmarkMapThenFilter(b *testing.B) {
 					result = append(result, value/2)
 				}
 			}
+			benchResult = result
 		}
 	})
 	b.Run("functional isEven", func(b *testing.B) {
 		for n := 0; n < b.N; n++ {
-			F.Pipe2(
+			benchResult = F.Pipe2(
 				data,
 				A.Filter(isEven),
 				A.Map(N.Div[int](2)),
@@ -104,17 +113,21 @@ func BenchmarkMapThenFilter(b *testing.B) {
 					result = append(result, value/2)
 				}
 			}
+			benchResult = result
 		}
 	})
+
+	globalResult = benchResult
 }
 
 func BenchmarkFilterMap(b *testing.B) {
 
 	data := createIntDataSet()
+	var benchResult []int
 
 	b.Run("functional isPrime", func(b *testing.B) {
 		for n := 0; n < b.N; n++ {
-			F.Pipe1(
+			benchResult = F.Pipe1(
 				data,
 				A.FilterMap(F.Flow2(
 					O.FromPredicate(isPrime),
@@ -132,12 +145,13 @@ func BenchmarkFilterMap(b *testing.B) {
 					result = append(result, value/2)
 				}
 			}
+			benchResult = result
 		}
 	})
 
 	b.Run("functional isEven", func(b *testing.B) {
 		for n := 0; n < b.N; n++ {
-			F.Pipe1(
+			benchResult = F.Pipe1(
 				data,
 				A.FilterMap(F.Flow2(
 					O.FromPredicate(isEven),
@@ -155,6 +169,9 @@ func BenchmarkFilterMap(b *testing.B) {
 					result = append(result, value/2)
 				}
 			}
+			benchResult = result
 		}
 	})
+
+	globalResult = benchResult
 }