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What are constant references used for?

gasto · 2014-05-29T23:44:11

In C++, is there an actual usage for constant references, or is it there for completeness(and perhaps to add ambiguity.)?I would simply use constant variable or a preprocessor substitution to a literal value.

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Started by gasto May 28, 2014 09:48 PM

19 comments, last by ApochPiQ 9 years, 10 months ago

ApochPiQ

23,138

May 29, 2014 11:44 PM

Your recollection is not correct :-)

A C++ function signature consists of name, parameter types (but not names), return type, and CV-qualifiers (that is, const and volatile).

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What are constant references used for?

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