syntax_data: {"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// or [`ty::CoroutineClosureArgs::kind()`] to assert that the `ClosureKind`
context_before:     /// After upvar analysis, you should instead use [`ty::ClosureArgs::kind()`]
context_after:     /// has been constrained instead of manually calling this method.