{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"ty::Uint(_)"}]}
        ty::Uint(_) => from_scalar.to_uint(src_layout.size),
    let v = match src_layout.ty.kind() {
        ty::Int(_) => from_scalar.to_int(src_layout.size) as u128,