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wowremywang/avoid-endless-loop.rb

Created October 21, 2021 11:34
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Avoid endless loop
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avoid-endless-loop.rb
# Bad
range = 1..Float::INFINITY
p range.collect { |x| x * x }.first(10)
# Good
range = 1..Float::INFINITY
p range.lazy.collect { |x| x * x }.first(10)
Reference: http://patshaughnessy.net/2013/4/3/ruby-2-0-works-hard-so-you-can-be-lazy
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