﻿// Copyright 2016, 2015, 2014 Matthias Koch
// 
// 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.

using System;
using JetBrains.Annotations;
using JetBrains.ReSharper.Psi;
using JetBrains.ReSharper.Psi.Resolve;

namespace TestFx.ReSharper.Utilities.Psi
{
  public static class ReferenceExtensions
  {
    [CanBeNull]
    public static T GetResolved<T> (this IReference reference)
        where T : IDeclaredElement
    {
      var resolveResult = reference.Resolve();
      return resolveResult.DeclaredElement is T ? (T) resolveResult.DeclaredElement : default(T);
    }
  }
}