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List Question
20
Devhide
2025-01-06 19:30:42
309
Views
Do laundered pointers destroy optimisation opportunities?
Published on
06 January 2025 at 19:30
#c++
#optimization
#language-lawyer
#machine-code
#stdlaunder
2.5k
Views
Where can I find what std::launder really does?
Published on
06 January 2025 at 19:28
#c++
#c++17
#reinterpret-cast
#pointer-aliasing
#stdlaunder
76
Views
Storage reuse Undefined behaviour
Published on
06 January 2025 at 19:26
#c++
#undefined-behavior
#stdlaunder
182
Views
reachability with std::launder
Published on
06 January 2025 at 19:26
#c++
#c++17
#stdlaunder
18.9k
Views
Why introduce `std::launder` rather than have the compiler take care of it?
Published on
06 January 2025 at 19:32
#c++
#c++17
#language-lawyer
#stdlaunder
1.1k
Views
Can std::launder be used to convert an object pointer to its enclosing array pointer?
Published on
06 January 2025 at 19:33
#c++
#c++17
#language-lawyer
#stdlaunder
660
Views
Why is this std::launder example undefined behavior?
Published on
06 January 2025 at 19:29
#c++
#language-lawyer
#undefined-behavior
#stdlaunder
415
Views
std::launder with inplace polymorphic containers
Published on
06 January 2025 at 19:29
#c++
#c++17
#undefined-behavior
#reinterpret-cast
#stdlaunder
364
Views
How to get float bit representation without UB in C++?
Published on
06 January 2025 at 19:29
#c++
#strict-aliasing
#type-punning
#stdlaunder
412
Views
Can I overwrite a const object via placement-new?
Published on
08 January 2025 at 00:04
#c++
#language-lawyer
#stdlaunder
1k
Views
Why is std::launder required here?
Published on
06 January 2025 at 19:28
#c++
#undefined-behavior
#strict-aliasing
#stdlaunder
704
Views
Using std::launder to "validate" non "pointer to object" pointer value since C++17
Published on
06 January 2025 at 19:33
#c++
#pointers
#c++17
#stdlaunder
178
Views
using std::launder to implement memory buffer
Published on
06 January 2025 at 19:28
#c++
#memory
#collections
#c++17
#stdlaunder
131
Views
Does the effect of std::launder last after the expression in which it is called?
Published on
06 January 2025 at 19:33
#c++
#language-lawyer
#compiler-optimization
#stdlaunder
299
Views
Is std::launder required when performing arithmetic as well?
Published on
06 January 2025 at 19:31
#c++
#arrays
#language-lawyer
#reinterpret-cast
#stdlaunder
2k
Views
std::launder use cases in C++20
Published on
06 January 2025 at 19:26
#c++
#language-lawyer
#c++20
#stdlaunder
650
Views
placement new on a class with reference field
Published on
06 January 2025 at 19:28
#c++
#language-lawyer
#c++20
#stdlaunder
87
Views
When to use std::launder?
Published on
06 January 2025 at 19:09
#c++
#c++17
#placement-new
#stdlaunder
93
Views
Can I leave dynamic memory for std::complex uninitialized after allocation?
Published on
06 January 2025 at 19:32
#c++
#initialization
#allocation
#complex-numbers
#stdlaunder
1.5k
Views
std::launder alternative pre c++17
Published on
06 January 2025 at 19:28
#c++
#c++14
#language-lawyer
#c++17
#stdlaunder
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