It should be "native" to the language ideally, which for Godot is square brackets. With some luck we can otherwise just reuse the xtensor to string function.
Apparently xio.hpp does not support custom array delimiters. We'll need to add a PR to xtensor to add this as a local print option. When it's open I can pull it to the active fork of xtensor we're using.
It should be "native" to the language ideally, which for Godot is square brackets. With some luck we can otherwise just reuse the xtensor to string function.