Vittorio Romeo

Italy

http://vittorioromeo.info

I write code, lift weights and play games. I also like everything sci-fi.

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Lambda capture and parameter with same name - who shadows the other? (clang vs gcc)

c++ c++11 lambda language-lawyer shadowing asked Feb 7 '17 at 10:56

stackoverflow.com

88 votes

Is a `=default` move constructor equivalent to a member-wise move constructor?

c++ c++11 constructor default move-semantics asked Aug 17 '13 at 15:41

stackoverflow.com

66 votes

Why is the construction of std::optional<int> more expensive than a std::pair<int, bool>?

c++ performance assembly x86-64 c++1z asked Oct 3 '17 at 11:55

stackoverflow.com

53 votes

Is there a more efficient implementation for a bidirectional map?

c++ c++11 data-structures map bimap asked Feb 13 '14 at 16:48

stackoverflow.com

52 votes

Does a C++11 range-based for loop condition get evaluated every cycle?

c++ performance for-loop c++11 foreach asked Apr 2 '13 at 13:56

stackoverflow.com

52 votes

2D Platformer AABB collision problems

2d c# collision-detection physics platformer asked Jul 4 '11 at 20:35

gamedev.stackexchange.com

42 votes

Capturing perfectly-forwarded variable in lambda

c++ c++11 lambda c++14 perfect-forwarding asked Nov 9 '14 at 18:00

stackoverflow.com

39 votes

Overloading multiple function objects by reference

c++ overloading template-meta-programming c++1z function-object asked Mar 23 '17 at 21:16

stackoverflow.com

38 votes

Why are non-placement `new` and `delete` built into the language and not just regular functions?

c++ new-operator delete-operator asked Jul 7 '17 at 11:40

stackoverflow.com

38 votes

Calling `this` member function from generic lambda - clang vs gcc

c++ lambda this language-lawyer c++14 asked Aug 19 '15 at 14:03

stackoverflow.com

Top Answers

209

In C++, am I paying for what I am not eating?

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Malloc vs New for Primitives

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Is there any point in using `override` when overriding a pure virtual function?

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Advantages of pass-by-value and std::move over pass-by-reference

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Exception in Destructor C++

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What does std::vector look like in memory?

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“constexpr if” vs “if” with optimizations - why is “constexpr” needed?

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Is “enum class” a class type in C++?

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Reverse iterator returns garbage when optimized

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Why am I allowed to create multiple unique pointers from a single object?

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std::move doesn't work when the derived class' destructor is specified

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Vary range of uniform_int_distribution

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C++17: Keep only some members when tuple unpacking

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Why are there so many specializations of std::swap?

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How to write a size() function that works on any type of collection objects?

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C++ Zero-Initialization

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Why isn't this unused variable optimised away?

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Pointer to reference

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Why doesn't std::lock_guard/std::unique_lock use type erasure?

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Unable to create unordered_set with lambda function

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Does async always use another thread/core/process in C++?

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Why std::unique_ptr does not permit type inference?

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Is there a reason to use std::conjunction/std::disjunction instead of a fold expression over “&&”/“||”?

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C++ variadic template with doubles

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Conditional ? : operator with class constructor

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Using erase-remove_if idiom

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Can I partial compile a template function in C++

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If std::addressof is a readable version of &. What is a readable version of *&?

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Can you omit the return type in main function?

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Why can't argument be forwarded inside lambda without mutable?

stackoverflow.com

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Vittorio Romeo

Lambda capture and parameter with same name - who shadows the other? (clang vs gcc)

Is a `=default` move constructor equivalent to a member-wise move constructor?

Why is the construction of std::optional<int> more expensive than a std::pair<int, bool>?

Is there a more efficient implementation for a bidirectional map?

Does a C++11 range-based for loop condition get evaluated every cycle?

2D Platformer AABB collision problems

Capturing perfectly-forwarded variable in lambda

Overloading multiple function objects by reference

Why are non-placement `new` and `delete` built into the language and not just regular functions?

Calling `this` member function from generic lambda - clang vs gcc