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Question

Functions can be declared to return a reference type. There are reasons to make such a declaration/Which of the following reasons are correct?
1. The information being returned is a large enough object that returning a reference is more efficient than returning a copy.
2. The type of the function must be a R-value.

a.

Only 1 is correct.

b.

Only 2 is correct.

c.

Both 1 and 2 are correct.

d.

Both 1 and 2 are incorrect.

Answer: (c).Both 1 and 2 are correct.

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Q. Functions can be declared to return a reference type. There are reasons to make such a declaration/Which of the following reasons are correct? 1. The information being returned...

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