iif

function iif(

  ATest: Boolean;

  const ATrue: Integer;

  const AFalse: Integer

):Integer; overload;

function iif(

  ATest: Boolean;

  const ATrue: string;

  const AFalse: string = ''

):string; overload;

function iif(

  ATest: Boolean;

  const ATrue: Boolean;

  const AFalse: Boolean

):Boolean; overload;

function iif(

  const AEncoding: IIdTextEncoding;

  const ADefEncoding: IIdTextEncoding;

  ADefEncodingType: IdTextEncodingType = encASCII

):IIdTextEncoding; overload;