"golang slice" Code Answer's
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go slice initialization
mySlice := []int{1, 2, 3, 4, 5}
Source: stackoverflow.com
create slice golang
b := [2]string{"Penn", "Teller"}
Source: blog.golang.org
go slice
// loop over an array/a slice
for i, e := range a {
// i is the index, e the element
}
// if you only need e:
for _, e := range a {
// e is the element
}
// ...and if you only need the index
for i := range a {
}
// In Go pre-1.4, you'll get a compiler error if you're not using i and e.
// Go 1.4 introduced a variable-free form, so that you can do this
for range time.Tick(time.Second) {
// do it once a sec
}
golang slice
package main
import (
"fmt"
)
func main() {
var slice = []int{1, 2, 3, 4, 5}
var store = make([]int, 3)
push := append(slice, 6, 7, 8, 9)
copy(store, slice)
fmt.Println("before append value", slice)
fmt.Println("after append value", push)
fmt.Println("render value all value exist", push[:])
fmt.Println("render value after second value", push[2:])
fmt.Println("render value before third index", push[:3])
fmt.Println("render value start from zero and last value before second index", push[0:2])
fmt.Println("merge slice value", store)
fmt.Println("read size slice", len(slice))
fmt.Println("read capacity slice", cap(slice))
}
go slice
func main() {
s := []int{2, 3, 5, 7, 11, 13}
printSlice(s)
// Slice the slice to give it zero length.
s = s[:0]
printSlice(s)
// Extend its length.
s = s[:4]
printSlice(s)
// Drop its first two values.
s = s[2:]
printSlice(s)
}
func printSlice(s []int) {
fmt.Printf("len=%d cap=%d %v\n", len(s), cap(s), s)
}
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