Do you know prepend() operator? prepend() operator allows you to add additional elements before the sequence. But append() operator is adding new elements at the end of the operator. append() let numbers = (1...10).publisher numbers
.append(99, 100)
.sink {
print($0) // 1,2,3,4,5,6,7,8,9,10,99,101
} numbers
.append([99, 100])
.sink {
print($0) //…