fixed64 method
Implementation
int fixed64() { final b = take(8); var v = BigInt.zero; for (var i = 0; i < 8; i++) { v |= BigInt.from(b[i]) << (8 * i); } return _signed64(v); }
int fixed64() { final b = take(8); var v = BigInt.zero; for (var i = 0; i < 8; i++) { v |= BigInt.from(b[i]) << (8 * i); } return _signed64(v); }