syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// notably, the type variables we create for literals (e.g., 22 or
context_before: /// Rust actually has more than one category of type variables;
context_after: /// 22.) can only be instantiated with integral/float types (e.g.,