sharpcompress/src/SharpCompress/Polyfills/StringExtensions.cs

using System;

#if LEGACY_DOTNET

namespace SharpCompress;

internal static class StringExtensions
{
    internal static bool EndsWith(this string text, char value) =>
        text.Length > 0 && text[text.Length - 1] == value;

    internal static bool Contains(this string text, char value) => text.IndexOf(value) > -1;
}

[AttributeUsage(
    AttributeTargets.Parameter | AttributeTargets.Property | AttributeTargets.ReturnValue
)]
public class NotNullAttribute : Attribute;

#endif