syntax_data: {"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"|"}]}
source_snippet:             | ty::RePlaceholder(ty::Placeholder {
context_before:             ty::ReBound(_, ty::BoundRegion { kind: br, .. })
context_after:                 bound: ty::BoundRegion { kind: br, .. }, ..