syntax_data: {"ast_node_type":"impl","tokens":[{"end":89,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// that the `impl Trait` comes from, synthesize an associated type for that `impl Trait`
context_before: /// `impl_fn` that represents an implementation of the associated function
context_after: /// that inherits properties that we infer from the method and the associated type.