encodeTo method
Convert self to a slice and append it to the destination.
Implementation
@override
void encodeTo(BigInt value, Output output) {
if (value < BigInt.parse('-9223372036854775808') ||
value > BigInt.parse('9223372036854775807')) {
throw OutOfBoundsException();
}
U64Codec.codec.encodeTo(value.toUnsigned(64), output);
}