{"ast_node_type":"variable","tokens":[{"end":95,"kind":"keyword","start":0,"text":"let"}]}
                let mut_projection = PlaceContext::MutatingUse(MutatingUseContext::Projection);
                // `_1 = Foo()` works in SSA but `_2.0 = Foo()` does not.)
                self.visit_local(place_ref.local, mut_projection, location);