namespace MathInterpreter.Core;

/// <summary>
///     Collection of constants used throughout the project
/// </summary>
public static class Const
{
    /// <summary>
    ///     The plus (+) character used both as sign and operator
    /// </summary>
    public const char PlusSign = '+';

    /// <summary>
    ///     The minus (-) character used both as sign and operator
    /// </summary>
    public const char MinusSign = '-';

    /// <summary>
    ///     The times (*) character used as operator
    /// </summary>
    public const char TimesSign = '*';

    /// <summary>
    ///     The division (/) character used as operator
    /// </summary>
    public const char DivSign = '/';

    /// <summary>
    ///     The decimal separator (.) character used in numbers to separate the integral from the fractional part
    /// </summary>
    public const char DecimalSeparator = '.';

    /// <summary>
    ///     An error message used when a part of the code is reached that should never be reached due to
    ///     previous, proper validation
    /// </summary>
    public const string ImpossibleErrorMessage = "If validation works as intended, this should never happen";
}