/// <summary>
/// Accumulate diagnostics related to the variance safety of a delegate.
/// </summary>
internal static void CheckDelegateVarianceSafety(this SourceDelegateMethodSymbol method, DiagnosticBag diagnostics)
{
method.CheckMethodVarianceSafety(
returnTypeLocationProvider: m =>
{
var syntax = m.GetDeclaringSyntax <DelegateDeclarationSyntax>();
return((syntax == null) ? null : syntax.ReturnType.Location);
},
diagnostics: diagnostics);
}
internal SourceDelegateClonedParameterSymbolForBeginAndEndInvoke(SourceParameterSymbol originalParam, SourceDelegateMethodSymbol newOwner, int newOrdinal)
: base(originalParam, newOwner, newOrdinal, suppressOptional: true)
{
}