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https://github.com/unknwon/the-way-to-go_ZH_CN.git
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29 lines
716 B
Go
29 lines
716 B
Go
package main
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import "fmt"
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func main() {
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var mapLit map[string]int
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//var mapCreated map[string]float32
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var mapAssigned map[string]int
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mapLit = map[string]int{"one": 1, "two": 2}
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mapCreated := make(map[string]float32)
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mapAssigned = mapLit
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mapCreated["key1"] = 4.5
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mapCreated["key2"] = 3.14159
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mapAssigned["two"] = 3
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fmt.Printf("Map literal at \"one\" is: %d\n", mapLit["one"])
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fmt.Printf("Map created at \"key2\" is: %f\n", mapCreated["key2"])
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fmt.Printf("Map assigned at \"two\" is: %d\n", mapLit["two"])
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fmt.Printf("Map literal at \"ten\" is: %d\n", mapLit["ten"])
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}
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/* Output:
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Map literal at "one" is: 1
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Map created at "key2" is: 3.141590
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Map assigned at "two" is: 3
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Map literal at "ten" is: 0
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*/
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