in src/main/scala/com/gu/invoicing/nextinvoicedate/Lambda.scala [15:21]
def handleRequest(input: APIGatewayProxyRequestEvent, context: Context): APIGatewayProxyResponseEvent = {
NextInvoiceDateInput(input)
.tap { info[NextInvoiceDateInput] }
.pipe { program }
.tap { info[NextInvoiceDateOutput] }
.pipe { output => okResponse(write(output)) }
}