syntax_data: {"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"impl<I:"}]}
source_snippet: impl<I: Interner> CoroutineClosureArgs<I> {
context_after:     pub fn new(cx: I, parts: CoroutineClosureArgsParts<I>) -> CoroutineClosureArgs<I> {