syntax_data: {"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"#[derive_where(PartialEq,"}]}
source_snippet: #[derive_where(PartialEq, Eq, Hash, Debug; I: Interner)]
context_before: /// of a goal.
context_after: pub struct Probe<I: Interner> {