英文: Does reading to another variant member of a union that has the same type as the active variant c...
new A[0]: Initialization of zero-size array with dynamic storage duration for a class with inaccessible constructor
英文: new A[0]: Initialization of zero-size array with dynamic storage duration for a class with inacc...
范围和不同枚举类型之间的可转换性
英文: Range of and convertibility between different enum types 问题 在哪些条件下可以将一个枚举类型转换为另一个枚举类型? 让我们考虑以下代码...
Where in the standard to I read or deduce that vector<T>::operator[] invokes UB for out-of-bound input?
英文: Where in the standard to I read or deduce that vector<T>::operator[] invokes UB for out-of...
在gcc10+中不允许重新定义,但在gcc7-9中允许。
英文: Redefinition is not allowed in gcc10+ but is allowed in gcc7-9 问题 以下代码将在gcc10及以上版本中失败,但在gcc7到gcc...
Must lvalues of type T identify objects of type T? If `p` has type `T *`, does `&*p` require `p` to actually point to an object of type `T`?
英文: Must lvalues of type T identify objects of type T? If `p` has type `T *`, does `&*p` require...
Alias在msvc编译时通过,但被gcc拒绝。
英文: Alias compiles with msvc but rejected by gcc 问题 Gcc表示“无法声明对已限定的引用类型的引用”,但msvc接受它。这是否是msvc的另一个错误,...
`fseek()` 函数中 `SEEK_CUR` 的零偏移用途是什么?
英文: What is the use of zero offset in fseek() function with SEEK_CUR? 问题 while (fread(&product, ...
The validity of casting in the ‘function pointer’ version of K&R’s qsort
英文: The validity of casting in the 'function pointer' version of K&R's qsort 问题 I un...
Switch 表达式在 Dart 3.0 中似乎不是一个实际的表达式。
英文: Switch expression doesn't actually seem to be an expression in Dart 3.0 问题 In Dart 3.0, swit...
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