syntax_data: {"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"(FloatVarValue::Unknown,"}]}
source_snippet:             (FloatVarValue::Unknown, FloatVarValue::Unknown) => Ok(FloatVarValue::Unknown),
context_before:         match (*value1, *value2) {
context_after:             (FloatVarValue::Unknown, FloatVarValue::Known(known))