29 lines
1.1 KiB
Plaintext
29 lines
1.1 KiB
Plaintext
// A tour of the standard library and method-call syntax.
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let greeting = " Hello, Lumen World "
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println("trimmed: " + greeting.trim())
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println("upper: " + greeting.trim().upper())
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println("words: " + str(greeting.trim().split(" ")))
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let numbers = [5, 3, 8, 1, 9, 2]
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println("sorted: " + str(numbers.sort()))
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println("reversed: " + str(numbers.reverse()))
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println("sum: " + str(numbers.sum()))
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println("min/max: " + str(numbers.min()) + " / " + str(numbers.max()))
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println("evens: " + str(numbers.filter(fn(n) { return n % 2 == 0 })))
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println("squares: " + str(numbers.map(fn(n) { return n * n })))
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let scores = {"alice": 90, "bob": 75}
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println("has alice: " + str(scores.has("alice")))
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println("keys: " + str(scores.keys()))
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println("entries: " + str(scores.entries()))
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println("sqrt 144: " + str(sqrt(144)))
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println("pow 2 10: " + str(pow(2, 10)))
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println("floor 3.7: " + str(floor(3.7)))
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println("round 2.5: " + str(round(2.5)))
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assert(numbers.sum() == 28, "sum should be 28")
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assert("lumen".upper() == "LUMEN", "upper should work")
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println("all assertions passed")
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