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https://github.com/unknwon/the-way-to-go_ZH_CN.git
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17 lines
336 B
Go
17 lines
336 B
Go
package main
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import "fmt"
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func main() {
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slFrom := []int{1, 2, 3}
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slTo := make([]int, 10)
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n := copy(slTo, slFrom)
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fmt.Println(slTo) // output: [1 2 3 0 0 0 0 0 0 0]
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fmt.Printf("Copied %d elements\n", n) // n == 3
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sl3 := []int{1, 2, 3}
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sl3 = append(sl3, 4, 5, 6)
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fmt.Println(sl3) // output: [1 2 3 4 5 6]
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}
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