Исходники и презентации

lessons/maps/map_performance/performance_test.go

@@ -0,0 +1,21 @@
+package main
+
+import "testing"
+
+// go test -bench=. performance_test.go
+
+func BenchmarkWithSlice(b *testing.B) {
+	slice := []int{1, 2, 3}
+	for i := 0; i < b.N; i++ {
+		value := slice[1]
+		slice[1] = value
+	}
+}
+
+func BenchmarkWithHashTable(b *testing.B) {
+	table := map[int]int{0: 1, 1: 2, 2: 3}
+	for i := 0; i < b.N; i++ {
+		value := table[1]
+		table[1] = value
+	}
+}