syntax_data: {"ast_node_type":"impl","tokens":[{"end":71,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// from an `impl Trait` in an associated function from a trait, and an
context_before: /// Given an `trait_assoc_def_id` corresponding to an associated item synthesized
context_after: /// `impl_fn` that represents an implementation of the associated function