Datatype.h

#ifndef DATA_TYPE
#define DATA_TYPE

#include<any>
#include<string>
#include<iostream>
#include <sstream>
#include <iomanip>
#include "Node.h"

using std::any;
using std::string;
using std::any_cast;
using std::ostream;
using std::to_string;
using std::fixed;
using std::setprecision;
using std::stringstream;

auto isString(any)            ->bool;
auto isNumber(any)            ->bool;
auto isGetVariable(any)       ->bool;
auto isFunctionExpression(any)->bool;
auto isArray(any)             ->bool;
auto isObject(any)            ->bool;
auto isConsole(any)           ->bool;

auto toNumber(any)            ->double;
auto toString(any)            ->string;
auto toBool(any)              ->bool;
auto toFunctionExpression(any)->FunctionExpression*;
auto toArray(any)             ->ArrayLiteral*;
auto toObject(any)            ->ObjectLiteral*;
auto toConsole(any)           ->Console*;
auto toGetVariable(any)       ->GetVariable*;

auto doubleToString(double)   ->string;

ostream& operator<<(ostream&, any&);
string& operator+=(string&, any&);

#endif