Roland Conybeare
dafaad4b1e
subrepo: subdir: "xo-refcnt" merged: "bad785bd" upstream: origin: "git@github.com:Rconybea/xo-refcnt.git" branch: "main" commit: "bad785bd" git-subrepo: version: "0.4.9" origin: "???" commit: "???"
29 lines
750 B
C++
29 lines
750 B
C++
/* @file Displayable.hpp */
|
|
|
|
#pragma once
|
|
|
|
#include "Refcounted.hpp"
|
|
|
|
namespace xo {
|
|
namespace ref {
|
|
class Displayable : public Refcount {
|
|
public:
|
|
/* write some kind of human-readable representation on stream */
|
|
virtual void display(std::ostream & os) const = 0;
|
|
std::string display_string() const;
|
|
}; /*Displayable*/
|
|
|
|
/* see also
|
|
* operator<<(std::ostream &, intrusive_ptr<T> const &)
|
|
* in [Refcounted.hpp]
|
|
*/
|
|
inline std::ostream &
|
|
operator<<(std::ostream &os, Displayable const & x) {
|
|
x.display(os);
|
|
return os;
|
|
} /*operator<<*/
|
|
|
|
} /*namespace ref*/
|
|
} /*namespace xo*/
|
|
|
|
/* end Displayable.hpp */
|