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// retoor <retoor@molodetz.nl>
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import "scheduler" for Scheduler, Future
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var makeMultiplier = Fn.new { |factor|
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var multiply = async { |x| x * factor }
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return multiply
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}
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var times2 = makeMultiplier.call(2)
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var times10 = makeMultiplier.call(10)
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System.print(await times2(5)) // expect: 10
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System.print(await times10(5)) // expect: 50
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var counter = 0
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var makeCounter = Fn.new {
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var increment = async { |step|
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counter = counter + step
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return counter
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}
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return increment
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}
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var inc = makeCounter.call()
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System.print(await inc(1)) // expect: 1
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System.print(await inc(5)) // expect: 6
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System.print(await inc(10)) // expect: 16
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