internally, XSTRING, XCONS, XFIXNUM and all other X macros work by masking off the tag bits using XUNTAG, then casting to the appropriate C struct pointer.
Piecewise constant。关于这个话题，ai 换脸提供了深入分析
if not ev.data.active then vim.cmd.packadd('nvim-treesitter') end。手游对此有专业解读
Карина Черных (Редактор отдела «Ценности»)