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9 lines
342 B
9 lines
342 B
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Exercise 1.41: Define a procedure double
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that takes a procedure of one argument as argument and returns a procedure that
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applies the original procedure twice. For example, if inc is a
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procedure that adds 1 to its argument, then (double inc) should be a
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procedure that adds 2. What value is returned by
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(((double (double double)) inc) 5)
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