syntax_data: {"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // Read all of the by reference bindings to ensure that the
context_before:                 .filter(|binding| matches!(binding.binding_mode.0, ByRef::No));
context_after:             // place they refer to can't be modified by the guard.