package lambda_test import ( "context" "io" "log" "time" "github.com/aws/aws-lambda-go/lambda" ) func Example() { lambda.Start(func() (string, error) { return "Hello λ!", nil }) } // Handlers can return io.Reader to stream response data. // This example uses a pipe to send data in chunks with delays. // // See https://docs.aws.amazon.com/lambda/latest/dg/configuration-response-streaming.html func Example_ioReader() { lambda.Start(func() (io.Reader, error) { r, w := io.Pipe() go func() { defer w.Close() _, _ = w.Write([]byte("")) time.Sleep(100 * time.Millisecond) _, _ = w.Write([]byte("

Hello

")) time.Sleep(100 * time.Millisecond) _, _ = w.Write([]byte("

World!

")) time.Sleep(100 * time.Millisecond) _, _ = w.Write([]byte("")) }() return r, nil }) } func ExampleWithContext() { lambda.StartWithOptions( func(ctx context.Context) (string, error) { return ctx.Value("foo").(string), nil }, lambda.WithContext(context.WithValue(context.Background(), "foo", "bar")), ) } func ExampleWithContextValue() { lambda.StartWithOptions( func(ctx context.Context) (string, error) { return ctx.Value("foo").(string), nil }, lambda.WithContextValue("foo", "bar"), ) } func ExampleWithSetEscapeHTML() { lambda.StartWithOptions( func() (string, error) { return "hello!", nil }, lambda.WithSetEscapeHTML(true), ) } func ExampleWithSetIndent() { lambda.StartWithOptions( func(event interface{}) (interface{}, error) { return event, nil }, lambda.WithSetIndent(">", " "), ) } func ExampleWithUseNumber() { lambda.StartWithOptions( func(event interface{}) (interface{}, error) { return event, nil }, lambda.WithUseNumber(true), ) } func ExampleWithDisallowUnknownFields() { lambda.StartWithOptions( func(event interface{}) (interface{}, error) { return event, nil }, lambda.WithDisallowUnknownFields(true), ) } func ExampleWithEnableSIGTERM() { lambda.StartWithOptions( func(event interface{}) (interface{}, error) { return event, nil }, lambda.WithEnableSIGTERM(func() { log.Print("function container shutting down...") }), ) }