Friday, April 1, 2016

Re: Revert keys values in dict

Hi,

> Hi,
>
> I would like to make values become keys in this dict, is it possible
> in one simple command ?
>
> let mydict={'&quot;':'"', '&amp;':'&', '&apos;':"'", '&lt;':'<'}


For instance,
:echo map(copy(mydict), '{v:val : v:key}')

doesn't permit to build a new dictionary from scratch

However, with a dirty hack, it becomes possible to do this with a almost-oneliner:

:let d2 = {}
:call map(copy(mydict), 'extend(d2, {v:val : v:key})')
:echo d2


HTH,
--
Luc Hermitte

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