Millised tagajärjed tekivad, kasutades meetodit append ilma algsete parameetriteta deklareeritud viilule?

If a slice in Go is declared without initial parameters, for example var s []int, it is initially equal to nil and does not point to an allocated array. When using the append function, Go automatically allocates a new array and adds the elements, returning a new slice with the necessary capacity.

This means that append works safely with nil slices, and you can write:

var s []int // nil slice
s = append(s, 1, 2, 3) // now s points to a new array with the elements

Consequences:

• It is not necessary to initialize the slice before using append.
• Memory is allocated on the first call to append.
• If the slice is nil, then len(s) == 0 and cap(s) == 0.

Therefore, using append with nil slices is a standard practice in Go that simplifies working with dynamic collections.