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New posts in stdoptional
Copy/move elision vs emplace with std::optional
Sep 22, 2025
c++
gcc
copy-elision
emplace
stdoptional
Iterating over std::optional
Sep 14, 2025
c++
option-type
stdoptional
prevent initializing std::optional<std::reference_wrapper<const T>> with rvalue std::optional<T>
Sep 08, 2025
c++
dangling-pointer
stdoptional
Can I copy-elide an immovable & uncopyable function result into an optional?
Sep 08, 2025
c++
copy-elision
stdoptional
Use of std::optional to pass a std::vector<int> to a functional by reference
Dec 13, 2022
c++
std
c++17
stdoptional
Why std::string append is not overloaded on rval ref?
Dec 10, 2022
c++
stdstring
rvalue-reference
stdoptional
Does C++ standard allow std::optional<double> to be implemented without overhead
Mar 18, 2022
c++
floating-point
c++17
ieee-754
stdoptional
How to move a value out of a std:optional without calling the destructor?
Sep 07, 2022
c++
c++17
destructor
move-semantics
stdoptional
Why std::optional::value() &&; return &&?
Nov 08, 2022
c++
c++17
stdoptional
In which cases does std::optional operator == cause undefined behavior?
Aug 23, 2022
c++
c++17
stdoptional
When is it appropriate to use std::optional
Sep 13, 2022
c++
stl
return
unique-ptr
stdoptional
namespace std:: does not contain optional
Jun 21, 2022
c++
stdoptional
Use std::optional as a regular pointer vs use has_value() and value
Aug 31, 2022
c++
c++17
stdoptional
Is '_HAS_CXX17' macro usable in custom project headers to enable C++17 language set features?
Sep 11, 2022
c++
visual-studio-2017
boost-optional
stdoptional
In C++17 can an if statement with an initializer be used to unpack an optional?
Sep 06, 2022
c++
c++17
stdoptional
Why does the const rvalue qualified std::optional::value() return a const rvalue reference?
Nov 06, 2022
c++
c++17
rvalue-reference
stdoptional
How to in-place-construct an optional aggregate?
Nov 16, 2021
c++
c++17
aggregate-initialization
construction
stdoptional
Does anything prevent std::optional::value_or() from being conditionally noexcept?
Apr 21, 2022
c++
language-lawyer
c++17
noexcept
stdoptional
How to get std::optional support in Xcode?
Sep 02, 2025
c++
xcode
c++17
libc++
stdoptional
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