> On 2 May 2019, at 17:52, Gabriel Cotelli <g.cote...@gmail.com> wrote:
>
> Dictionary newFromPairs: (words collect: [ :each | each -> each size ]).
>
> On Thu, May 2, 2019 at 12:45 PM Konrad Hinsen <konrad.hin...@fastmail.net>
> wrote:
> Hi everyone,
>
> About twice a week I start looking for a straightforward way to
> turn a list of associations into a dictionary,
{ #foo->1. #bar->2 } #asDictionary
(#('abc' 'defg') collect: [ :each | each -> each size ]) asDictionary.
> spend a while searching,
> and give up, ending up with a messy explicit loop.
>
> Example:
>
> | words lengths |
> words := #('abc' 'defg').
> lengths := Dictionary new.
> words do:
> [ :each | lengths at: each put: each size ].
> lengths
>
> Is there really no way to this with less code? I'd expect the following
> to work:
>
> | words lengths |
> words := #('abc' 'defg').
> lengths := Dictionary withAll:
> (words collect: [ :each | each -> each size ]).
>
> but it looks like Dictionary>>#withAll: was specifically designed to
> make this impossible (because with the default implementation in
> Collection it would work).
>
> Konrad.
>
