syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// adjustments and directly adds the type information from the
context_before:     /// Create a THIR expression for the given HIR expression. This expands all
context_after:     /// `typeck_results`. See the [dev-guide] for more details.