syntax_data: {"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// Creates a `SmallVec` mapping each target in `targets` to its `VariantIdx`.
context_before: impl<'tcx> MaybePlacesSwitchIntData<'tcx> {
context_after:     fn variants(&mut self, targets: &mir::SwitchTargets) -> SmallVec<[VariantIdx; 4]> {