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Alex Rivera
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I extracted simple example: require 'pp' x = 1..3 pp x.map do |i| {:value => i, :double => (i*2)} end pp x.map { |i| {:value => i, :double => (i*2)} } pp(x.map do |i| {:value => i, :double => (i*2)} end) pp(x.map { |i| {:value => i, :double => (i*2)} }) I am wondering why first pp produces: [1, 2, 3] While all the oders are giving: [{:value=>1, :double=>2}, {:value=>2, :double=>4}, {:value=>3, :double=>6}] I assume it has something to do with operator precedence. Where can I find good explanation?
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