Mark-RSK

private static IRenderService CreateJsReportInstance(bool useWeb)
{
    IReportingBinary binary = null;

    if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
        binary = jsreport.Binary.Ph2.JsReportBinary.GetBinary();
    else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
        binary = jsreport.Binary.Linux.Ph2.JsReportBinary.GetBinary();
    else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
        binary = jsreport.Binary.OSX.Ph2.JsReportBinary.GetBinary();

Mark-RSK

class Cat {
  String meow() => 'meow';
}

String foo(dynamic a) {
  switch (a.runtimeType) {
    case String:
      return 'str';
    case int:
      return 'int';