syntax_data: {"ast_node_type":"function","tokens":[{"end":41,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn from(ty: ty::AliasTy<I>) -> Self {
context_before: impl<I: Interner> From<ty::AliasTy<I>> for AliasTerm<I> {
context_after:         AliasTerm { args: ty.args, def_id: ty.def_id, _use_alias_term_new_instead: () }