/*
 * Copyright (C) Lightbend Inc. <https://www.lightbend.com>
 */

package play.api.data

/**
 * Contains the validation API used by `Form`.
 *
 * For example, to define a custom constraint:
 * {{{
 *   val negative = Constraint[Int] {
 *     case i if i < 0 => Valid
 *     case _ => Invalid("Must be a negative number.")
 *   }
 * }}}
 */
package object validation
