syntax_data: {"ast_node_type":"function","tokens":[{"end":68,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn split(self) -> InlineConstArgsParts<'tcx, GenericArg<'tcx>> {
context_before:     /// The ordering assumed here must match that used by `InlineConstArgs::new` above.
context_after:         match self.args[..] {