| Value-Returning
Functions |
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| • | A
call to a value-returning function is part of an |
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| expression. |
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| • | A
value-returning function is used when there is |
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| only
one result returned by a function and that |
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| result
is to be used directly in an expression. |
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| • | A
value-returning function returns one value, not |
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| through
a parameter but by means of a return |
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| statement. |
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