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f=->i{i.ord==i?(64+i).chr:i.ord-64}
f.call('B')
f.call(2)

Runtime error #stdin #stdout #stderr 0.02s 9704KB

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Standard input is empty

stdout

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Standard output is empty

stderr

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prog.rb:1: syntax error, unexpected tSYMBEG, expecting '}'
f=->i{i.ord==i?(64+i).chr:i.ord-64}
                          ^

https://ideone.com/q6iS0v

language:

Ruby (ruby 2.5.5)

created:

visibility:

public

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