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jimytc/comparing_enumerator_and_lazy.rb

Created September 23, 2018 07:58
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Compare Enumerator and Enumerator::Lazy
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comparing_enumerator_and_lazy.rb
# Regular way
(1..1_000_000_000).select(&:even?)
.map { |i| i**2 }
.first(10)
# Lazy way
(1..1_000_000_000).lazy
.select(&:even?)
.map { |i| i**2 }
.first(10)
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