/// <summary>
/// Returns value of the option if it has value. If not, returns value created by the otherwise function.
/// </summary>
public static B GetOrElse <A, B>(this IOption <A> option, Func <Unit, B> otherwise)
where A : B
{
if (option.NonEmpty)
{
return(option.GetOrDefault());
}
return(otherwise(Unit.Value));
}
/// <summary>
/// Returns value of the option if it has value. If not, returns the <paramref name="otherwise"/>.
/// </summary>
public static B GetOrElse <A, B>(this IOption <A> option, B otherwise)
where A : B
{
if (option.NonEmpty)
{
return(option.GetOrDefault());
}
return(otherwise);
}
/// <summary>
/// Returns value of the option if it has value. If not, returns false.
/// </summary>
public static bool GetOrFalse(this IOption <bool> option)
{
return(option.GetOrDefault());
}
/// <summary>
/// Returns value of the option if it has value. If not, returns zero.
/// </summary>
public static decimal GetOrZero(this IOption <decimal> option)
{
return(option.GetOrDefault());
}
/// <summary>
/// Returns value of the option if it has value. If not, returns zero.
/// </summary>
public static int GetOrZero(this IOption <int> option)
{
return(option.GetOrDefault());
}
/// <summary>
/// Returns value of the option if it has value. If not, returns null.
/// </summary>
public static A GetOrNull <A>(this IOption <A> option)
where A : class
{
return(option.GetOrDefault());
}
public IndexerArgument(IOption <IdentifierExpression> id, ExpressionSyntax value)
{
this.Identifier = id.GetOrDefault();
this.Value = value;
}
public RangeExpressionSyntax(IOption <ExpressionSyntax> e1, IOption <ExpressionSyntax> e2)
{
this.S1 = e1.GetOrDefault();
this.S2 = e2.GetOrDefault();
}
