syntax_data: {"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // See if the binding might have been a `const` that was mistyped or out of scope.
context_before:     if let PatKind::Binding { name, subpattern: None, ty, .. } = pat.kind {
context_after:         let mut accessible = vec![];