Convert interface to string
yourbasic.org/golang
Use fmt.Sprintf to convert
an interface value to a string.
var x interface{} = "abc"
str := fmt.Sprintf("%v", x)
In fact, the same technique can be used to get a string representation of any data structure.
var x interface{} = []int{1, 2, 3}
str := fmt.Sprintf("%v", x)
fmt.Println(str) // "[1 2 3]"Fmt cheat sheet
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