15 lines
552 B
Ruby
15 lines
552 B
Ruby
require 'rational'
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require 'complex'
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y = accumulator(Rational(2, 3))
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puts y[Rational(1, 2)] # 7/6
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puts y[4] # 31/6
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puts y[Complex(0, 1)] # 31/6+1i
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t = accumulator(Time.utc(1999, 8, 7, 6, 5))
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# (Ruby 1.8.6) (Ruby 1.9.2)
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puts t[4] # Sat Aug 07 06:05:04 UTC 1999 1999-08-07 06:05:04 UTC
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puts t[-12 * 60 * 60] # Fri Aug 06 18:05:04 UTC 1999 1999-08-06 18:05:04 UTC
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require 'matrix'
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m = accumulator(Matrix[[1, 2], [3, 4]])
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puts m[Matrix[[5, 6], [7, 8]]] # Matrix[[6, 8], [10, 12]]
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