Quick nits: Should probably say something about iteration capability and what performance considerations apply there (direct methods on JsMap for iteration, or Iterator-style interface?). Also, is this going to be isomorphic to identity hash maps in the sense that the hashCode/equals() of a key won't matter?
-Ray On Fri, Sep 5, 2008 at 9:36 AM, Bruce Johnson <[EMAIL PROTECTED]> wrote: > Design principles look sensible, although I'm not sure about prioritizing > "put" over "get", since "get" happens *so* much more frequently in real > apps. If you really want to specify something related to this, maybe you > could refine it to, "Multiple contiguous calls to put() must be fast" which > could imply (in theory) some sort of lazy accumulation scheme that defers > build a true map until the first get() is called. Just a thought. > > On Fri, Sep 5, 2008 at 11:57 AM, Emily Crutcher <[EMAIL PROTECTED]> wrote: >> >> For those of you who are interested, I've started a draft collection of >> design principles for the js map collection. However, don't feel required >> to read through them, as I'm going to throw together another straw man using >> them and send it out to the list. >> >> >> On Fri, Sep 5, 2008 at 11:28 AM, BobV <[EMAIL PROTECTED]> wrote: >>> >>> On Fri, Sep 5, 2008 at 7:45 AM, Joel Webber <[EMAIL PROTECTED]> wrote: >>> > 2. Can you actually use an arbitrary object as the key type? Based on >>> > the >>> > native put() implementation (map[key] = value), I'd guess not. I may be >>> > missing something, but I don't see any way to limit the key type as >>> > it's >>> > currently specified. >>> >>> If you're willing to rely on an implementation detail like this, the >>> identity hashCode value of an object is based on a per-module counter. >>> You could use this in web mode, and in hosted mode, just delegate to >>> an IdentityHashMap. >>> >>> >>> -- >>> Bob Vawter >>> Google Web Toolkit Team >>> >>> >> >> >> >> -- >> "There are only 10 types of people in the world: Those who understand >> binary, and those who don't" >> >> > > > > > --~--~---------~--~----~------------~-------~--~----~ http://groups.google.com/group/Google-Web-Toolkit-Contributors -~----------~----~----~----~------~----~------~--~---
