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c++ Programming Glossary: ubunion for uint32_t and uint8_t[4] undefined behavior? http://stackoverflow.com/questions/10271929/union-for-uint32-t-and-uint8-t4-undefined-behavior behavior If so why I don't know what means What's UB in C is to access inactive union members. C99 C99 is apparantly.. plus both not being POD structs union the above is indeed UB C 11 Note that aggregate type does not include union type because.. improve this question I don't know what means What's UB in C is to access inactive union members. Basically what it..
In which versions of the C++ standard does “(i+=10)+=10” have undefined behaviour? http://stackoverflow.com/questions/10655290/in-which-versions-of-the-c-standard-does-i-10-10-have-undefined-behaviou on the version of the standard please explain where it's UB and where it's not. c c 11 undefined behavior language lawyer..
Accessing inactive union member - undefined? http://stackoverflow.com/questions/11373203/accessing-inactive-union-member-undefined accessing an union member other than the last one set is UB but I can't seem to find a solid reference other than answers.. to find a solid reference other than answers claiming it's UB but without any support from the standard . So is it undefined..
Does initialization entail lvalue-to-rvalue conversion? Is `int x = x;` UB? http://stackoverflow.com/questions/14935722/does-initialization-entail-lvalue-to-rvalue-conversion-is-int-x-x-ub entail lvalue to rvalue conversion Is `int x x ` UB The C standard contains a semi famous example of surprising.. code thanks to jogojapan for contributing int y int x y No UB short t int u t UB Do not like this non uniformity but could.. for contributing int y int x y No UB short t int u t UB Do not like this non uniformity but could accept it int z z..
What exactly do “IB” and “UB” mean? http://stackoverflow.com/questions/2766731/what-exactly-do-ib-and-ub-mean exactly do &ldquo IB&rdquo and &ldquo UB&rdquo mean I've seen the terms IB and UB used several times.. and &ldquo UB&rdquo mean I've seen the terms IB and UB used several times particularly in the context of C . I've tried.. behaviour can be useful but makes your code less portable. UB Undefined behaviour. The standard does not specify how a program..
Unsequenced value computations (a.k.a sequence points) http://stackoverflow.com/questions/3852768/unsequenced-value-computations-a-k-a-sequence-points Since no or appear in the expressions that's instant UB. §5 4 Between the previous and next sequence point a scalar.. in the same expression unless otherwise sequenced produce UB. Value computations are ordered by their data dependencies anyway..
Why does ostream_iterator not work as expected? http://stackoverflow.com/questions/4447827/why-does-ostream-iterator-not-work-as-expected to wrap your operator into namespace std but that is UB IIRC. Or 2 create a struct inheriting from std pair to define..
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