iif

function iif(

  const Expr: Boolean;

  const TrueValue: Integer;

  const FalseValue: Integer = 0

):Integer; overload;

function iif(

  const Expr: Boolean;

  const TrueValue: Int64;

  const FalseValue: Int64 = 0

):Int64; overload;

function iif(

  const Expr: Boolean;

  const TrueValue: Extended;

  const FalseValue: Extended = 0.0

):Extended; overload;

function iif(

  const Expr: Boolean;

  const TrueValue: string;

  const FalseValue: string = ''

):string; overload;

function iif(

  const Expr: Boolean;

  const TrueValue: TObject;

  const FalseValue: TObject = Nil

):TObject; overload;