{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"(Some(CastTy::Int(_)),"}]}
        (Some(CastTy::Int(_)), Some(CastTy::Float)) => CastKind::IntToFloat,
        (Some(CastTy::Float), Some(CastTy::Int(_))) => CastKind::FloatToInt,
        (Some(CastTy::Float), Some(CastTy::Float)) => CastKind::FloatToFloat,