require( Rcpp )

if(!require( inline ))

q("no")

inc <- '

class World {

public:

World() : foo(1), msg("hello") {}

void set(std::string msg_) { this->msg = msg_; }

std::string greet() { return msg; }

int foo ;

double bar ;

private:

std::string msg;

};

void clearWorld( World* w ){

w->set( "" );

}

RCPP_MODULE(yada){

using namespace Rcpp ;

class_<World>( "World" )

.method( "greet", &World::greet )

.method( "set", &World::set )

.method( "clear", &clearWorld )

.field( "foo", &World::foo )

.field_readonly( "bar", &World::bar )

;

}

'

fx <- inline::cxxfunction( signature(), "" , include = inc, plugin = "Rcpp" )

mod <- Module( "yada", getDynLib(fx) )

World <- mod$World

ww = new(World)

wg = World$new()

stopifnot(all.equal(ww$greet(), wg$greet()))

wgg <- wg$greet()

ww$set("Other")

stopifnot(all.equal(ww$greet(), "Other"),

all.equal(wg$greet(), "Other"))

World$methods(

twice = function() paste(greet(), greet()))

stopifnot(all.equal(ww$twice(), paste(ww$greet(), ww$greet())))