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/*
 * Copyright 2001-2013 Artima, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.scalatest.matchers

import org.scalactic.{Differ, Prettifier}

private[scalatest] trait EqualMatcher[T] extends Matcher[T] {

  def apply(left: T, prettifier: Prettifier): (MatchResult, Option[String])

  def apply(left: T): MatchResult = {
    val (result, difference) = apply(left, Prettifier.default)
    result
  }

}