#if NETFRAMEWORK
using System.Diagnostics.Contracts;

namespace WPFluent.Extensions;

internal static class StringExtensions
{
    /// <summary>
    /// Returns a value indicating whether a specified string occurs within this string, using the specified comparison
    /// rules.
    /// </summary>
    /// <param name="source">Source string.</param>
    /// <param name="value">The string to seek.</param>
    /// <param name="comparison">One of the enumeration values that specifies the rules to use in the comparison.</param>
    /// <returns>true if the value parameter occurs within this string, or if value is the empty string (""); otherwise, false.</returns>
    [Pure]
    public static bool Contains(this string source, string value, StringComparison comparison)
    { return source.IndexOf(value, comparison) >= 0; }
}
#endif