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Semipredicate Problem: Computer Programming, Nullable Type, Option Type -

English
2026-03-26
€179.62 €224.53

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In computer programming, a semipredicate problem occurs when a subroutine intended to return a useful value can fail, but the signalling of failure uses an otherwise valid return value. The problem is that the caller of the subroutine cannot tell what the result means in this case. ... Full description

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Description

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In computer programming, a semipredicate problem occurs when a subroutine intended to return a useful value can fail, but the signalling of failure uses an otherwise valid return value. The problem is that the caller of the subroutine cannot tell what the result means in this case. The division operation yields a real number, but fails when the denominator is zero. If we were to write a function that performs division, we might choose to return 0 on this invalid input. However, if the numerator is 0, the result is 0 too. Also, even if a nonzero numerator is required, dividing a small number by a very large one can yield 0 as well, due to rounding errors. This means there is no number we can return to uniquely signal attempted division by zero, since all real numbers are in the range of division.

More Information

Publisher OmniScriptum
Release year 2026
Cover type Softcover
EAN 9786133201491
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€179.62 €224.53