Valery Mironov

### Purpose Experiment with conditions and functions coverage: * Add new tests * Try to use other tools for collect coverage info * Disable coverage for some code * Try...

Make StrCat effective for single rvalue string

1

Main motivation for me is patter like: ```C++ void SomeCall(Args&&...); auto msg = StrCat(...); LOG(unique_id, msg); SomeCall(std::move(msg)); // internally have absl::StrCat for case when argument more than one or some...

Try to fix #841

6

As I see in #841 clang with undefined sanitizer with libstdc++ can't be fixed with additional compile/link option

Add map/set final() method?

5

final method should return some map type without insert and other non const methods. In that case you can use eytzinger/btree/vEB (add user ability to choose) for more efficient search....

Mutex::unlock serialize code after it

10

I think it's really bad that mutex serialize all waiters to single thread. I think unlock should be something like this, if it async: Executor.Schedule(after unlock code); ExecuteHere(next critical section)...

В идеальном мире return_value/void и final_suspend это одна функция. На текущий момент времени этого уже сделать нельзя, к тому же возможно имеются сложности в реализации этого на уровне компилятора (из-за...