seamusv

package ca.yk.gov.cfs.fm.common

import scala.util.matching.Regex

object rules {

  sealed trait ValidatorOp[A]

  object ValidatorOp {
    final case class Definition[A](fieldName: String, rules: RuleOp[A]) extends ValidatorOp[A]

seamusv

package ca.yk.gov.cfs.fm.common

object validators {

  import rules._

  val centreCodeRule: RuleOp[String]            = nonEmpty && maxLength(10)
  val accountCodeOp: ValidatorOp[String]        = define("ACCOUNT_CODE", nonEmpty && maxLength(22))
  val billingCentreCodeOp: ValidatorOp[String]  = define("BILLING_CODE", centreCodeRule || startsWith("B"))
  val orderNumberPrefixOp: ValidatorOp[String]  = define("ORDER_NUMBER_PREFIX", (nonEmpty && maxLength(2)) || pattern("^[a-zA-Z]+$".r))

jdegoes

package fpmax

import scala.util.Try
import scala.io.StdIn.readLine

object App0 {
  def main: Unit = {
    println("What is your name?")

    val name = readLine()