syntax_data: {"ast_node_type":"function","tokens":[{"end":93,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn new_from_args(interner: I, def_id: I::DefId, args: I::GenericArgs) -> AliasTy<I> {
context_before: impl<I: Interner> AliasTy<I> {
context_after:         interner.debug_assert_args_compatible(def_id, args);