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Extract argument from function

The aim is to see if you can do some refactoring very fast.

Start file
attr("y",function(v){return v})
End file
f=function(v){return v};

View Diff

< attr("y",function(v){return v})
> f=function(v){return v};
> attr("y",f)

Solutions by @EtienneFlorent:

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Created by: @EdgarHipp

736 active golfers, 2267 entries

Solutions by @EtienneFlorent:
#178 - Etienne Florent / @EtienneFlorent

11/23/2016 at 11:00PM

#>338 - Etienne Florent / @EtienneFlorent

11/23/2016 at 10:53PM

#>444 - Etienne Florent / @EtienneFlorent

11/23/2016 at 10:50PM