Slices / Create a slice / Essential Go
123456789101112131415
package main
import (
"fmt"
)
func main() {
n := 30
a := make([]int, 0, n)
fmt.Printf("a has lenght %d and capacity %d\n", len(a), cap(a))
for i := 0; i < n; i++ {
a = append(a, i)
}
fmt.Printf("a has lenght %d and capacity %d\n", len(a), cap(a))
}
Go
INFO