I use Plot a lot, but pretty much only use `plot-pict` and `plot-file`, so this change wouldn't affect me.
Not sure how useful that information is to you, but here it is anyway. :) Vincent At Tue, 17 Mar 2015 12:33:47 -0400, Neil Toronto wrote: > > Plot has been converted to Typed Racket in the upcoming Racket 6.2. > > I'm strongly considering taking this opportunity to improve the API. The > change is backward-incompatible, however, so I need input from those of > you who use Plot a lot. > > In particular, recent experience with Pict3D makes it clear that the > type of the `plot` function shouldn't be this: > > (-> (Treeof (U nonrenderer renderer2d)) ... (U Void (Instance Snip%))) > > but should be this instead: > > (-> (Treeof (U nonrenderer renderer2d)) ... Plot) > > where a `Plot` instance is a value that can be queried for its > properties (such as the legend, plot bounds, ticks, etc.) and just > happens to print in DrRacket as an interactive snip. The type of > `plot3d` would be changed to return `Plot3D` instances. > > Casual uses wouldn't see any change at all. > > However, functions that receive or return plots, *which also put > contracts on plots*, would have to change to use `plot?` instead of > (is-a?/c snip%), or use (require plot/snip), a new compatibility module, > instead of (require plot). > > How many programs of yours would this change break? > > Any objections? Any suggestions? > > Neil ⊥ > ____________________ > Racket Users list: > http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users
