Use Go 1.19 (#76)

.github/workflows/go.yml

@@ -13,9 +13,9 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: ["1.17.x", "1.18.x"]
+        go: ["1.17.x", "1.18.x", "1.19.x"]
         include:
-        - go: 1.18.x
+        - go: 1.19.x
           latest: true
 
     steps:

leaks.go

@@ -72,7 +72,8 @@ func Find(options ...Option) error {
 // VerifyNone marks the given TestingT as failed if any extra goroutines are
 // found by Find. This is a helper method to make it easier to integrate in
 // tests by doing:
-// 	defer VerifyNone(t)
+//
+//	defer VerifyNone(t)
 func VerifyNone(t TestingT, options ...Option) {
 	if err := Find(options...); err != nil {
 		t.Error(err)

testmain.go

@@ -41,9 +41,9 @@ type TestingM interface {
 // verify that there were no goroutine leaks.
 // To use it, your TestMain function should look like:
 //
-//  func TestMain(m *testing.M) {
-//    goleak.VerifyTestMain(m)
-//  }
+//	func TestMain(m *testing.M) {
+//	  goleak.VerifyTestMain(m)
+//	}
 //
 // See https://golang.org/pkg/testing/#hdr-Main for more details.
 //