λ x x0 : word64 * word64 * word64 * word64 * word64 * word64 * word64 * word64 * word64 * word64,
Interp-η
(λ var : Syntax.base_type → Type,
 λ '(x20, x21, x19, x17, x15, x13, x11, x9, x7, x5, (x38, x39, x37, x35, x33, x31, x29, x27, x25, x23))%core,
 ((x20 + x38), (x21 + x39), (x19 + x37), (x17 + x35), (x15 + x33), (x13 + x31), (x11 + x29), (x9 + x27), (x7 + x25), (x5 + x23)))
(x, x0)%core
     : word64 * word64 * word64 * word64 * word64 * word64 * word64 * word64 * word64 * word64 → word64 * word64 * word64 * word64 * word64 * word64 * word64 * word64 * word64 * word64 → ReturnType (uint64_t * uint64_t * uint64_t * uint64_t * uint64_t * uint64_t * uint64_t * uint64_t * uint64_t * uint64_t)