syntax_data: {"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// for the closure parent, alongside additional closure-specific components.
context_before:     /// Construct `ClosureArgs` from `ClosureArgsParts`, containing `Args`
context_after:     pub fn new(cx: I, parts: ClosureArgsParts<I>) -> ClosureArgs<I> {