Sha256: 54e5cd58c85991856065ec9e7adb3cc9b0b5904ee63079d674e42000ef33a9c5
Contents?: true
Size: 749 Bytes
Versions: 6
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Stored size: 749 Bytes
Contents
module Numbers
def sum
monoid(->(a, b) { a + b }, 0)
end
def add
sum
end
def even
remainder_is(2, 0)
end
def odd
remainder_is(2, 1)
end
def divide(divisor)
->(dividend) { dividend / divisor }
end
def remainder_is(divisor, remainder)
->(dividend) { remainder(dividend, divisor) == remainder }
end
def remainder(dividend, divisor)
dividend % divisor
end
def range_from(start)
Sequence.new(Enumerators::enumerator(increment, start))
end
def range(from, to)
Sequence.new((from..to).lazy)
end
def increment
->(number) { number + 1 }
end
def mod(divisor)
->(number) { number % divisor }
end
def greater_than(right)
->(left) { left > right }
end
end
Version data entries
6 entries across 6 versions & 1 rubygems