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15 lines
471 B
Plaintext
15 lines
471 B
Plaintext
# Example of fusing functions with Scott-encoded numbers.
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zero = λs λz z
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succ = λpred λs λz (s pred) # Creates a Scott number out of its predecessor
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two = (succ (succ zero)) # λs λz (s λs λz (s λs λz z))
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fusing_add = λa
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let case_succ = λa_pred λb (succ (fusing_add a_pred b))
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let case_zero = λb b
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(a case_succ case_zero)
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# (fusing_add two) creates a fused function that efficiently adds two to whatever you pass to it.
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Main = λx (fusing_add two x)
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