Of course! Thank you!
I mocked up a full working example
here: https://play.golang.org/p/OUtbbAbbUF1
Any idea though how I would keep deletions in sync though?
On Wednesday, January 10, 2018 at 3:24:37 PM UTC, Burak Serdar wrote:
>
> On Wed, Jan 10, 2018 at 7:57 AM, <l...@pinkfroot.com <javascript:>>
> wrote:
> > I'm trying to come up with a data structure that I can search for map
> values
> > quickly without having to iterate an entire (and large) map to find a
> value.
> >
> > Essentially I have a map that contains lots of data and the key is the
> > primary identifier where most of the lookups go to. This is very quick
> to
> > lookup and/or fail. I also have some very frequent queries to search
> for
> > values inside the map. This is slow at the moment as I have to iterate
> the
> > entire map to look for a value.
> >
> > What I am trying to do is to create a "shadow" map that has a reference
> to
> > the pointer. This way when the original is deleted from the primary map
> it
> > should/will fall off from the shadow map. However as you cannot set a
> > struct to nil this doesn't seem to work.
>
> One way of doing this could be:
>
> type SomeStruct struct {
> Field1 string
> Field2 string
> ...
> }
>
> type SomeStructMap struct {
> f1Map map[string]*SomeStruct
> f2Map map[string]*SomeStruct
> }
>
> func (m SomeStructMap) GetByF1(s string) (*SomeStruct,bool) {return
> m.f1Map[s]}
> func (m SomeStructMap( GetByF2(s string) (*SomeStruct,bool) {return
> m.f2Map[s]}
> func (m SomeStructMap) Set(x *SomeStruct) {
> m.f1Map[x.Field1]=x
> m.f2Map[x.Field2]=x
> }
>
> Then use instances of SomeStructMap to store and lookup data.
>
> >
> > https://play.golang.org/p/xUP-LEruwVX
> >
> > Any ideas on how I could approach this?
> >
> > Thanks!!
> >
> > --
> > You received this message because you are subscribed to the Google
> Groups
> > "golang-nuts" group.
> > To unsubscribe from this group and stop receiving emails from it, send
> an
> > email to golang-nuts...@googlegroups.com <javascript:>.
> > For more options, visit https://groups.google.com/d/optout.
>
--
You received this message because you are subscribed to the Google Groups
"golang-nuts" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to golang-nuts+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
