Prefer filter_map and map+grep instead of map+compact and select+map #1094
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tompng
reviewed
May 6, 2025
test/irb/test_irb.rb
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| assert_match(/irbtest-.*\.rb:2:in (`|'Object#)foo': error \(RuntimeError\)/, output) | ||
| frame_traces = output.split("\n").select { |line| line.strip.match?(/from /) }.map(&:strip) | ||
| frame_traces = output.split("\n").filter_map { |line| line.strip if line.strip.match?(/from /) } |
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Other part of this pull request looks good.
This part, I'm not sure if this change is obviously better than before.
How about changing it to .map(&:strip).grep(/from /) ?
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Yes, that is much better!
Maumagnaguagno
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Enumerable#filter_mapis available since Ruby 2.7.