syntax_data: {"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":"const"}]}
source_snippet:         const TAG_EXPANSION: u8 = 0;
context_before:     fn hash_stable(&self, ctx: &mut CTX, hasher: &mut StableHasher) {
context_after:         const TAG_NO_EXPANSION: u8 = 1;