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Refactor polyfills

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This commit is contained in:
Oleksii Holub
2022-02-21 22:35:23 +02:00
parent eb7107fb0a
commit 02e8d19e48
4 changed files with 49 additions and 52 deletions
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26
CliFx/Utils/Polyfills.Collections.cs Normal file
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// ReSharper disable CheckNamespace
#if NETSTANDARD2_0
using System.Collections.Generic;
internal static class CollectionPolyfills
{
public static void Deconstruct<TKey, TValue>(this KeyValuePair<TKey, TValue> pair, out TKey key, out TValue value)
{
key = pair.Key;
value = pair.Value;
}
public static TValue GetValueOrDefault<TKey, TValue>(this IReadOnlyDictionary<TKey, TValue> dic, TKey key) =>
dic.TryGetValue(key!, out var result) ? result! : default!;
}
namespace System.Linq
{
internal static class LinqPolyfills
{
public static HashSet<T> ToHashSet<T>(this IEnumerable<T> source, IEqualityComparer<T> comparer) =>
new(source, comparer);
}
}
#endif

11
CliFx/Utils/Polyfills.Streams.cs Normal file
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// ReSharper disable CheckNamespace
#if NETSTANDARD2_0
using System.IO;
internal static class StreamPolyfills
{
public static void Write(this Stream stream, byte[] buffer) =>
stream.Write(buffer, 0, buffer.Length);
}
#endif

12
CliFx/Utils/Polyfills.Strings.cs Normal file
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// ReSharper disable CheckNamespace
#if NETSTANDARD2_0
internal static class StringPolyfills
{
public static bool StartsWith(this string str, char c) =>
str.Length > 0 && str[0] == c;
public static bool EndsWith(this string str, char c) =>
str.Length > 0 && str[str.Length - 1] == c;
}
#endif

52
CliFx/Utils/Polyfills.cs
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@@ -1,52 +0,0 @@
// ReSharper disable CheckNamespace
#if NETSTANDARD2_0
using System;
using System.Collections.Generic;
using System.IO;
internal static partial class PolyfillExtensions
{
public static bool StartsWith(this string str, char c) =>
str.Length > 0 && str[0] == c;
public static bool EndsWith(this string str, char c) =>
str.Length > 0 && str[str.Length - 1] == c;
public static string[] Split(this string str, char separator, StringSplitOptions splitOptions) =>
str.Split(new[] {separator}, splitOptions);
}
internal static partial class PolyfillExtensions
{
public static void Deconstruct<TKey, TValue>(this KeyValuePair<TKey, TValue> pair, out TKey key, out TValue value)
{
key = pair.Key;
value = pair.Value;
}
}
internal static partial class PolyfillExtensions
{
public static void Write(this Stream stream, byte[] buffer) =>
stream.Write(buffer, 0, buffer.Length);
}
namespace System.Linq
{
internal static class PolyfillExtensions
{
public static HashSet<T> ToHashSet<T>(this IEnumerable<T> source, IEqualityComparer<T> comparer) =>
new(source, comparer);
}
}
namespace System.Collections.Generic
{
internal static class PolyfillExtensions
{
public static TValue GetValueOrDefault<TKey, TValue>(this IReadOnlyDictionary<TKey, TValue> dic, TKey key) =>
dic.TryGetValue(key!, out var result) ? result! : default!;
}
}
#endif