This page contains automated test results for code from O'Reilly's Ruby Cookbook. If this code looks interesting or useful, you might want to buy the whole book.
Writing Block Methods that Classify or Collect | ||
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Code | Expected | Actual |
module Enumerable def find_no_more_than(limit) inject([]) do |a,e| a << e if yield e return a if a.size >= limit a end end end a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] a.find_no_more_than(3) { |x| x % 2 == 0 } |
[2, 4, 6] | [2, 4, 6] |