`std::span` didn't have a formatter for MSVC's STL yet. The type is quite useful in C++ 20, so this PR adds a formatter for it. Since the formatter is new, I made it work with both DWARF and PDB from the start.
`std::span` didn't have a formatter for MSVC's STL yet. The type is quite useful in C++ 20, so this PR adds a formatter for it. Since the formatter is new, I made it work with both DWARF and PDB from the start.