On 24 Jul 2010, at 17:06, Will Jessop wrote:
> Must. Resist. Golf.
>
> Oh well:
>
> properties = [:a, :b, :c]
> attributes = properties.inject({}) {|hash, e| hash.merge!({e => hash.size+1})
> }
> p.attributes
>
> => {:a=>1, :b=>2, :c=>3}
Oh that's just too easy to golf. Counting the hash size means you no longer
need to access the array within the block.
[:a, :b, :c].inject({}) {|hash, e| hash.merge!({e => hash.size+1}) } # =>
{:c=>3, :b=>2, :a=>1}
C
---
Caius Durling
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http://caius.name/
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