Comparers.cs

using System;

namespace Algorithms.Common;

public static class Comparers
{
    /// <summary>
    /// Determines if a specific value is a number.
    /// </summary>
    /// <returns><c>true</c> if the value is a number; otherwise, <c>false</c>.</returns>
    /// <param name="value">Value.</param>
    /// <typeparam name="T">The Type of value.</typeparam>
    public static bool IsNumber<T>(this T value)
    {
        if (value is sbyte) return true;
        if (value is byte) return true;
        if (value is short) return true;
        if (value is ushort) return true;
        if (value is int) return true;
        if (value is uint) return true;
        if (value is long) return true;
        if (value is ulong) return true;
        if (value is float) return true;
        if (value is double) return true;
        if (value is decimal) return true;
        return false;
    }


    /// <summary>
    /// Determines if firstValue is equals to the specified secondValue.
    /// </summary>
    /// <returns><c>true</c> if firstValue is equals to the specified secondValue; otherwise, <c>false</c>.</returns>
    /// <param name="firstValue">The first value.</param>
    /// <param name="secondValue">The second value.</param>
    /// <typeparam name="T">The Type of values.</typeparam>
    public static bool IsEqualTo<T>(this T firstValue, T secondValue) where T : IComparable<T>
    {
        return firstValue.Equals(secondValue);
    }


    /// <summary>
    /// Determines if thisValue is greater than the specified otherValue.
    /// </summary>
    /// <returns><c>true</c> if thisValue is greater than the specified otherValue; otherwise, <c>false</c>.</returns>
    /// <param name="firstValue">The first value.</param>
    /// <param name="secondValue">The second value.</param>
    /// <typeparam name="T">The Type of values.</typeparam>
    public static bool IsGreaterThan<T>(this T firstValue, T secondValue) where T : IComparable<T>
    {
        return firstValue.CompareTo(secondValue) > 0;
    }


    /// <summary>
    /// Determines if thisValue is less than the specified otherValue.
    /// </summary>
    /// <returns><c>true</c> if thisValue is less than the specified otherValue; otherwise, <c>false</c>.</returns>
    /// <param name="firstValue">The first value.</param>
    /// <param name="secondValue">The second value.</param>
    /// <typeparam name="T">The Type of values.</typeparam>
    public static bool IsLessThan<T>(this T firstValue, T secondValue) where T : IComparable<T>
    {
        return firstValue.CompareTo(secondValue) < 0;
    }

}