23 lines
441 B
Go
23 lines
441 B
Go
package main
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import "fmt"
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func main() {
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// remove all elements
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first := map[int]int{1: 1, 2: 2, 3: 3}
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first = nil
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fmt.Println(first, " : ", len(first))
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// keep allocated memory
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second := map[int]int{1: 1, 2: 2, 3: 3}
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for key := range second {
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delete(second, key)
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}
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fmt.Println(second, " : ", len(second))
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// keep allocated memory
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third := map[int]int{1: 1, 2: 2, 3: 3}
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clear(third)
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fmt.Println(third, " : ", len(third))
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}
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