syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// by applying extended parameter rules.
context_before:     /// Tracks the rvalue scoping rules which defines finer scoping for rvalue expressions
context_after:     /// Details may be found in `rustc_hir_analysis::check::rvalue_scopes`.