Поле `int B` и fmt.Sprintf в цикле

1package main2 3import "fmt"4 5type Wrapper struct {6	int B7}8 9func main() {10	items := []Wrapper{11		{B: 1}, {B: 2}, {B: 3},12	}13	adjust(items)14	for _, el := range items {15		fmt.Sprintf("%s;", el)16	}17}18 19func adjust(items []Wrapper) {20	items[0].B = 1021	items = append(items, Wrapper{B: 4}, Wrapper{B: 5})22}