Исходники и презентации

lessons/errors/errors_performance/performance_test.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"errors"
+	"testing"
+
+	othererrors "github.com/pkg/errors"
+)
+
+// go test -bench=. performance_test.go
+
+var err error
+
+func BenchmarkErrorWithoutStackTrace(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		err = errors.New("error")
+	}
+}
+
+func BenchmarkErrorWithStackTrace(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		err = othererrors.New("error")
+	}
+}