[dcsommer]

If the goal is brevity, the rules could first replace 'std::' with nothing.

[tialaramex]

This only makes sense for C++ where they weirdly namespaced their standard library after popularising the language. But as your parent points out, other languages use this naming style.

[dcsommer]

For what languages would removing 'std::' realistically cause ambiguity for practicioners?