syntax_data: {"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:         match (self, other.into()) {
context_before:     fn merge(self, other: impl Into<Self>) -> Self {
context_after:             (UsageKind::Mixed, _) | (_, UsageKind::Mixed) => UsageKind::Mixed,