syntax_data: {"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"extra_data.bindings.push(super::SubpatternBindings::One(super::Binding"}]}
source_snippet:                     extra_data.bindings.push(super::SubpatternBindings::One(super::Binding {
context_before:                 if let Some(source) = place {
context_after:                         span: pattern.span,