/// <remarks>
/// Similar to SymbolExtensions.GetMemberTypeParameters, but returns empty for unsupported symbols.
/// </remarks>
private static ImmutableArray<TypeParameterSymbol> GetTypeParameters(Symbol symbol)
{
switch (symbol.Kind)
{
case SymbolKind.Method:
case SymbolKind.NamedType:
case SymbolKind.ErrorType:
return symbol.GetMemberTypeParameters();
}
return ImmutableArray<TypeParameterSymbol>.Empty;
}