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Apply a callback to an array: Difference between revisions
→{{header|Wren}}
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=={{header|Wren}}==
<lang wren>var arr = [1, 2, 3, 4, 5]
arr = arr.map { |x| x * 2 }.toList
arr = arr.map(Fn.new {|x| x / 2}).toList
arr.each {|x| System.print(x) }
</lang>
=={{header|Yacas}}==
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