//Declaration, assignment
var s string
s = "string"

//Type declaration and assignment together
var s string = "string"

//Type omitted
var s = "string"

//var omitted
s := "string"

//Multiple declarations of the same type
var s1, s2 string
s1, s2 = "s1", "s2"
//Substituting the same value is NG
s1, s2 = "s"

//Multiple assignments of the same type
s1, s2 := "s1", "s2"

//Separate type multiple declaration
var (
  i int
  s string
)

//Multiple assignments of different types
var (
  i = 1
  s = "s"
)

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