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Top Questions
62
votes
What is the difference between auto and decltype(auto) when returning from a function?
c++
c++14
asked Jan 26, 2014 at 20:59
stackoverflow.com
55
votes
What does the 'void()' in 'auto f(params) -> decltype(..., void())' do?
c++
c++11
sfinae
decltype
trailing-return-type
asked Dec 22, 2012 at 13:48
stackoverflow.com
42
votes
When should I use decltype(x) instead of auto to declare the type of a variable?
c++
c++11
asked Jan 26, 2014 at 21:00
stackoverflow.com
35
votes
What is the purpose of the Most Vexing Parse?
c++
most-vexing-parse
asked Dec 29, 2012 at 0:44
stackoverflow.com
31
votes
Why are there two overloads for vector::push_back?
c++
c++11
asked Jan 24, 2015 at 21:40
stackoverflow.com
27
votes
Please explain this code that uses std::ignore
c++
c++11
asked Apr 26, 2013 at 1:36
stackoverflow.com
27
votes
Will automatic return type deduction work for main?
c++
c++1y
asked Jun 16, 2013 at 15:45
stackoverflow.com
27
votes
Union-find expressed as a social network
algorithm
union-find
asked Sep 12, 2014 at 1:46
stackoverflow.com
24
votes
How does "using std::swap" enable ADL?
c++
c++11
argument-dependent-lookup
asked Jan 24, 2015 at 21:52
stackoverflow.com
22
votes
Why am I getting the error 'A<int>' is not an accessible base of 'S<int>' for a base class's base class?
c++
templates
c++11
asked Sep 22, 2012 at 20:11
stackoverflow.com
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Top Answers
21
Incomprehensible function signature - Return reference to an array of N objects
stackoverflow.com
14
Why is my string reference member variable set to an empty string in C++?
stackoverflow.com
7
How to check for the type of a template parameter?
stackoverflow.com
5
Can a template function compare the two typenames?
stackoverflow.com
5
TypeError: document.getElementById() is null
stackoverflow.com
5
error: "explicit specialization requires 'template <>'"
stackoverflow.com
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