syntax_data: {"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"impl<'a,"}]}
source_snippet: impl<'a, Ty: fmt::Display> fmt::Debug for FnAbi<'a, Ty> {
context_before: // Needs to be a custom impl because of the bounds on the `TyAndLayout` debug impl.
context_after:     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {