Yu Dou

When `s == NULL` and `len == 0`, we try copy `s` to `v->u.s.s` that is [undefined behavior](https://en.cppreference.com/w/c/string/byte/memcpy#:~:text=The%20behavior%20is%20undefined%20if%20either%20dest%20or%20src%20is%20an%20invalid%20or%20null%20pointer.). > The behavior is undefined if either dest or src is an...

[Default test cases]的行为可以设置为测试题目中所有样例吗

2

## 🚀 Feature Proposal A clear and concise description of what the feature is. ## Motivation Please outline the motivation for the proposal. ## Contribution Please describe the solution if...

### Description of the feature request: CMake can do this easily, but bazel need another project called [hedronvision/bazel-compile-commands-extractor](https://github.com/hedronvision/bazel-compile-commands-extractor) to do it, whether this feature is better integrated in bazel itself...