syntax_data: {"ast_node_type":"function","tokens":[{"end":76,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn new(infcx: &'cx InferCtxt<'tcx>) -> SelectionContext<'cx, 'tcx> {
context_before: impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
context_after:         SelectionContext {