Yahoo Interview Question for Software Engineer / Developers






Comment hidden because of low score. Click to expand.
0
of 0 vote

Functor means function pointers. The pointer variable that holds the address of some function.
Syntax for declaring a functor is:

return_type (* nameofFunctor)(parameter_type1, 2, 3, ......);

It means nameofFunctor is a functor that can point to functions taking parameter_type1, 2, 3, ..... and returning return_type

- AK19 November 30, 2009 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

Functors are functions with a state. In C++ you can realize them as a class with one or more private members to store the state and with an overloaded operator () to execute the function.

- Anonymous November 30, 2009 | Flag Reply


Add a Comment
Name:

Writing Code? Surround your code with {{{ and }}} to preserve whitespace.

Books

is a comprehensive book on getting a job at a top tech company, while focuses on dev interviews and does this for PMs.

Learn More

Videos

CareerCup's interview videos give you a real-life look at technical interviews. In these unscripted videos, watch how other candidates handle tough questions and how the interviewer thinks about their performance.

Learn More

Resume Review

Most engineers make critical mistakes on their resumes -- we can fix your resume with our custom resume review service. And, we use fellow engineers as our resume reviewers, so you can be sure that we "get" what you're saying.

Learn More

Mock Interviews

Our Mock Interviews will be conducted "in character" just like a real interview, and can focus on whatever topics you want. All our interviewers have worked for Microsoft, Google or Amazon, you know you'll get a true-to-life experience.

Learn More