blob: 2152243985cdd06e71e834b43026cd717ad92afd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
#pragma warning disable CS1591
using System.Collections.Generic;
namespace MediaBrowser.Common.Extensions
{
// The MS CollectionExtensions are only available in netcoreapp
public static class CollectionExtensions
{
public static TValue GetValueOrDefault<TKey, TValue>(this IReadOnlyDictionary<TKey, TValue> dictionary, TKey key)
{
dictionary.TryGetValue(key, out var ret);
return ret;
}
/// <summary>
/// Copies all the elements of the current collection to the specified list
/// starting at the specified destination array index. The index is specified as a 32-bit integer.
/// </summary>
/// <param name="source">The current collection that is the source of the elements.</param>
/// <param name="destination">The list that is the destination of the elements copied from the current collection.</param>
/// <param name="index">A 32-bit integer that represents the index in <c>destination</c> at which copying begins.</param>
/// <typeparam name="T"></typeparam>
public static void CopyTo<T>(this IReadOnlyList<T> source, IList<T> destination, int index = 0)
{
for (int i = 0; i < source.Count; i++)
{
destination[index + i] = source[i];
}
}
/// <summary>
/// Copies all the elements of the current collection to the specified list
/// starting at the specified destination array index. The index is specified as a 32-bit integer.
/// </summary>
/// <param name="source">The current collection that is the source of the elements.</param>
/// <param name="destination">The list that is the destination of the elements copied from the current collection.</param>
/// <param name="index">A 32-bit integer that represents the index in <c>destination</c> at which copying begins.</param>
/// <typeparam name="T"></typeparam>
public static void CopyTo<T>(this IReadOnlyCollection<T> source, IList<T> destination, int index = 0)
{
foreach (T item in source)
{
destination[index++] = item;
}
}
}
}
|
