def read_at
import stelliferous@0.0.2.0/kernel_block.bend as KernelBlockimport Base
28def read_at(
29 ~State: Type,~Context: Data,~Element: Data,~Index: Data,
30 ~read: State -> Context -> Index -> State & Element,
31 state: State,+context: Context,first: Index,second: Index
32) -> State & Twin<Element>:
33 read_second(~State,~Context,~Element,~Index,~read,read(state,context,first),context,second)