My cursory reading is that SPy is generous in what it accepts. The subset I've been working with is even narrower. Given my stance on pattern matching, it may

My cursory reading is that SPy is generous in what it accepts. The subset I've been working with is even narrower. Given my stance on pattern matching, it may not even be a subset. https://github.com/py2many/py2many/blob/main/doc/langspec.md https://github.com/py2many/py2many/blob/main/doc/langspec.md