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Enumerator::Lazy
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| [1] pry(main)> (1..10).map { |i| (i ** 2).tap(&method(:p)) }.map { |i| i.to_s.tap(&method(:p)) } | |
| 1 | |
| 4 | |
| 9 | |
| 16 | |
| 25 | |
| 36 | |
| 49 | |
| 64 | |
| 81 | |
| 100 | |
| "1" | |
| "4" | |
| "9" | |
| "16" | |
| "25" | |
| "36" | |
| "49" | |
| "64" | |
| "81" | |
| "100" | |
| => ["1", "4", "9", "16", "25", "36", "49", "64", "81", "100"] | |
| [2] pry(main)> (1..10).lazy.map { |i| (i ** 2).tap(&method(:p)) }.map { |i| i.to_s.tap(&method(:p)) }.force | |
| 1 | |
| "1" | |
| 4 | |
| "4" | |
| 9 | |
| "9" | |
| 16 | |
| "16" | |
| 25 | |
| "25" | |
| 36 | |
| "36" | |
| 49 | |
| "49" | |
| 64 | |
| "64" | |
| 81 | |
| "81" | |
| 100 | |
| "100" | |
| => ["1", "4", "9", "16", "25", "36", "49", "64", "81", "100"] |
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