func outer() int {
ctx := context.Background()
defer trace.Trace(&ctx)(nil)
time.Sleep(1 * time.Second)
return inner1(ctx) + inner2(ctx)
}
func ExampleSpanManager_Trace() {
myfunc := func(ctx context.Context) (err error) {
defer trace.Trace(&ctx)(&err)
// do things
return nil
}
myfunc(context.Background())
}
func RandomSQLCall(ctx context.Context) {
defer trace.Trace(&ctx)(nil)
time.Sleep(time.Duration(rand.Int()%10000) * time.Microsecond)
}
func inner2(ctx context.Context) int {
defer trace.Trace(&ctx)(nil)
time.Sleep(1 * time.Second)
return 1
}