oops typo Perreyt = Perrett :D
On Mar 24, 10:15 pm, "marius d." <marius.dan...@gmail.com> wrote:
> On Mar 24, 9:46 pm, Timothy Perrett <timo...@getintheloop.eu> wrote:
>
> > Hmm, it seems like this is not enough as lists do not care for keys.
>
> A valid JSON structure allows multiple properties with the same name
> such as:
>
> var x = {
> name: "Perreyt",
> name: "Tim"
>
> }
>
> ... guess what alert(x.name) displays :) ?
>
> The props function returns a List[(String, JxExp)] which you can
> iterate over
>
> The +* function allows you to concatenate the props of two JsObj.
>
> > In my use case, im actually building a library for something that
> > provide default options that are inserted into a flash object. So,
> > given:
>
> > { key: 'value', something: 'else' }
>
> > I *need* to only have one of the "something" key, as it has a bearing
> > on the application. If someone wants to change / override the default
> > value in there client application, this is extremely difficult - seems
> > like it would need a lot of boilerplate code to convert to list, hack
> > about in the list, then manually convert it back to JsObj.
>
> Not difficult but not convenient either such as:
>
> def update(name: String, newVal: JsExp, obj: JsObj) = (for (found <-
> obj.props if found._1 != name) yield found) ::: List(name, newVal)
>
> which return the new List ... which is suboptimal comparing with a
> Map.
>
> >Can we not
> > add some support for Map[String, JsExp] and going to to/from JsObj?
> > IMO, it seems like its a natural fit given the key-pair nature of
> > JsObj.
>
> Personally I'm fine with a Map[String, JxExp] instead of List because
> if we have the same property multiple times in a JSON construct the
> last occurrence "wins".
>
>
>
> > Thoughts?
>
> > Cheers, Tim
>
> > On Mar 24, 7:10 pm, Timothy Perrett <timo...@getintheloop.eu> wrote:
>
> > > Hmm, I saw those methods but they are not documented so didnt know
> > > what they did!
>
> > > Will +* replace an object thats the same?
>
> > > On Mar 24, 6:45 pm, "marius d." <marius.dan...@gmail.com> wrote:
>
> > > > Please see
>
> > > > def props: List[(String,JsExp)]
>
> > > > and
>
> > > > def +*(other: JsObj)
>
> > > > would this suffice ?
>
> > > > +* looks like an awkward name to me ... ++ expresses concatenation
> > > > better IMHO.
>
> > > > Br's,
> > > > Marius
>
> > > > On Mar 24, 8:36 pm, Tim Perrett <timo...@getintheloop.eu> wrote:
>
> > > > > Hey guys,
>
> > > > > So, I have a JsObj with a bunch of key-value pairs - how can I both
> > > > > add new key pairs or update existing values?
>
> > > > > I originally had my data being held as Map[String,String], and
> > > > > attempted to convert it to JsObj however this was for some reason
> > > > > causing a massive memory leak which nearly crashed my entire mac. lol.
>
> > > > > Thoughts?
>
> > > > > Cheers, Tim
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