Source file tour/moretypes/mutating-maps.go

     1  //go:build OMIT
     2  
     3  package main
     4  
     5  import "fmt"
     6  
     7  func main() {
     8  	m := make(map[string]int)
     9  
    10  	m["Answer"] = 42
    11  	fmt.Println("The value:", m["Answer"])
    12  
    13  	m["Answer"] = 48
    14  	fmt.Println("The value:", m["Answer"])
    15  
    16  	delete(m, "Answer")
    17  	fmt.Println("The value:", m["Answer"])
    18  
    19  	v, ok := m["Answer"]
    20  	fmt.Println("The value:", v, "Present?", ok)
    21  }
    22  

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