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21 lines
566 B
Go
21 lines
566 B
Go
package main
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import "fmt"
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func main() {
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// Version A:
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items := make([]map[int]int, 5)
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for i:= range items {
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items[i] = make(map[int]int, 1)
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items[i][1] = 2
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}
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fmt.Printf("Version A: Value of items: %v\n", items)
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// Version B: NOT GOOD!
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items2 := make([]map[int]int, 5)
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for _, item := range items2 {
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item = make(map[int]int, 1) // item is only a copy of the slice element.
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item[1] = 2 // This 'item' will be lost on the next iteration.
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}
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fmt.Printf("Version B: Value of items: %v\n", items2)
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}
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