public static string OperatorToString(TypeParameterVariance variance)
{
var pair = VarianceMapping.FirstOrDefault(x => x.Value == variance);
if (string.IsNullOrEmpty(pair.Key))
throw new ArgumentException("Variance is not supported in Visual Basic.");
return pair.Key;
}
public TypeParameterDeclaration(string identifier, TypeParameterVariance variance)
: base(new Identifier(identifier), variance)
{
}
public TypeParameter(TypeParameterVariance variance, int index)
{
Variance = variance;
Index = index;
}
public TypeParameterDeclaration(Identifier identifier, TypeParameterVariance variance)
: base(identifier, variance)
{
}
public static string VarianceToString(TypeParameterVariance variance)
{
string modifierString;
if (!VarianceMapping.TryGetValue(variance, out modifierString))
throw new ArgumentException("Type parameter variance does not exist in the C# language.");
return modifierString;
}
