syntax_data: {"ast_node_type":"function","tokens":[{"end":78,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn fmt_with(&self, _ctxt: &C, f: &mut fmt::Formatter<'_>) -> fmt::Result {
context_before: pub trait DebugWithContext<C>: Eq + fmt::Debug {
context_after:         fmt::Debug::fmt(self, f)