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return x
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end print
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on product(xs)
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script multiply
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foldl(multiply, 1, xs)
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end product
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on properFracRatio(r)
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set n to n of r
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set d to d of r
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Tuple(n div d, ratio(n mod d, d))
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end properFracRatio
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on properFraction(n)
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set i to (n div 1)
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Tuple(i, n - i)
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end properFraction
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on pureLR(x)
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|Right|(x)
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end pureLR
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on pureList(x)
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end pure
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on pureMay(x)
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Just(x)
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end pureMay
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on pureT(t, x)
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if "List" = t then
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pureList(x)
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pureLR(x)
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pureMay(x)
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pureTree(x)
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pureTuple(x)
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end pureT
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on pureTree(x)
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Node(x, {})
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end pureTree
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on pureTuple(x)
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Tuple("", x)
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end pureTuple
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on quickSort(xs)
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if length of xs > 1 then
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x ≤ h
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set {less, more} to partition(result, rest of xs)
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quickSort(less) & h & quickSort(more)
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end quickSort
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on quickSortBy(cmp, xs)
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-- {"alpha", "beta", "gamma", "delta", "epsilon", "zeta", -- "eta", "theta", "iota", "kappa", "lambda", "mu"})
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cmp's |λ|(x, h) ≠ 1
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quickSortBy(cmp, less) & h & quickSortBy(cmp, more)
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end quickSortBy
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on quot(m, n)
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m div n
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end quot
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on quotRem(m, n)
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{m div n, m mod n}
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end quotRem
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on quoted(c)
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on |λ|(s)
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c & s & c
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end quoted
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on radians(x)
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(pi / 180) * x
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end radians
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on raise(m, n)
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m ^ n
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end raise
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on randomRInt(low, high)
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on |λ|(_)
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(low + ((random number) * (1 + (high - low)))) div 1
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end randomRInt
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on range(ab)
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set {a, b} to {|1| of ab, |2| of ab}
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if class of a is list then
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set {xs, ys} to {a, b}
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set {xs, ys} to {{a}, {b}}
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if lng = length of ys then
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if lng > 1 then
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on |λ|(_, i)
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enumFromTo(item i of xs, item i of ys)
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sequence(map(result, xs))
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enumFromTo(a, b)
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end range
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on ratio(x, y)
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on |λ|(x, y)
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if 0 ≠ y then
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if 0 ≠ x then
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set d to gcd(x, y)
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{type:"Ratio", n:(x div d), d:(y div d)}
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{type:"Ratio", n:0, d:0}
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go's |λ|(x * (signum(y)), abs(y))
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end ratio
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on ratioDiv(n1, n2)
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set r1 to rational(n1)
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set r2 to rational(n2)
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ratio((n of r1) * (d of r2), (d of r1) * (n of r2))
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end ratioDiv
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on ratioMinus(n1, n2)
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set d to lcm(d of r1, d of r2)
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ratio((n of r1) * (d / (d of r1) - ¬
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((n of r2) * (d / (d of r2)))), d)
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end ratioMinus
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on ratioMult(n1, n2)
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