C++: Uniquely addressed

Posted by ingve on Sunday May 31, 2015 @06:19AM
from the pfultz2.com dept.

http://pfultz2.com/blog/2015/05/31/unique-address/

( 4 comments | 26 points | on HN )

Re:C++: Uniquely addressed by hun-nemethpeter on Sunday May 31, 2015 @01:38PM (#9634854)

In the first example sum_f() was declared with two parameter but used with zero param.

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Re:C++: Uniquely addressed by vmarsy on Sunday May 31, 2015 @01:53PM (#9634898)

No, sum_f is a functor, only its operator() is overloaded to receive 2 parameters, the constructor of the struct is a default constructor that takes no argument.

http://www.cprogramming.com/tutorial/functors-function-objec...

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Re:C++: Uniquely addressed by hun-nemethpeter on Sunday May 31, 2015 @04:37PM (#9635444)

Oops.. Yes, you are right.

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Re:C++: Uniquely addressed by pfultz2 on Sunday May 31, 2015 @02:53PM (#9635121)

`sum_f()` is calling the constructor, not the call operator(which would be `sum_f()(1, 2)`).

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