| /* |
| * 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. |
| */ |
| |
| namespace DotPulsar.Internal |
| { |
| using System; |
| using System.Linq; |
| using System.Runtime.CompilerServices; |
| |
| public sealed class EnumLookup<TKey, TValue> where TKey : Enum |
| { |
| private readonly TValue[] _values; |
| |
| public EnumLookup(TValue defaultValue) |
| { |
| var max = Enum.GetValues(typeof(TKey)).Cast<int>().Max() + 1; |
| _values = new TValue[max]; |
| for (var i = 0; i < max; ++i) |
| _values[i] = defaultValue; |
| } |
| |
| public void Set(TKey key, TValue value) |
| => _values[Unsafe.As<TKey, int>(ref key)] = value; |
| |
| public TValue Get(TKey key) |
| => _values[Unsafe.As<TKey, int>(ref key)]; |
| } |
| } |