Slide 31
Slide 31 text
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[1,2,3].map { |x| x + 1 }
map(lambda x: x + 1, [1,2,3])
[x + 1 for x in [1, 2, 3]]
List(1,2,3).map { x => x + 1 }
List(1,2,3).map(_ + 1)
[1,2,3].select { |x| x % 2 == 0 }
filter(lambda x: x % 2 == 0, [1,2,3])
[x for x in [1,2,3] if x % 2 == 0]
List(1,2,3).filter(_ % 2 == 0)