syntax_data: {"ast_node_type":"other","tokens":[{"end":25,"kind":"keyword","start":0,"text":")"}]}
source_snippet: ) -> Vec<Binding<'tcx>> {
context_before:     leaf_bindings: &[SubpatternBindings<'tcx>],
context_after:     // In the common case, all bindings will be in leaves. Allocate to fit the leaf's bindings.