Create an SVG backend device
Value
A device_backend object that accumulates SVG output.
After rendering, call @svg() to retrieve the SVG string, or
@save(path) to write to file.
Examples
dev <- device_svg()
render_scene(my_scene, dev)
#> Error: object 'my_scene' not found
cat(dev@svg())
#> Error in dev@svg: no applicable method for `@` applied to an object of class "list"