{"ast_node_type":"variable","tokens":[{"end":63,"kind":"keyword","start":0,"text":"let"}]}
        let (values, mut targets): (SmallVec<_>, SmallVec<_>) =
    pub fn new(targets: impl Iterator<Item = (u128, BasicBlock)>, otherwise: BasicBlock) -> Self {
            targets.map(|(v, t)| (Pu128(v), t)).unzip();