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package main
func main() {
testIntegerRange()
testLoopVar()
}
func testIntegerRange() {
for i := range 10 {
println(10 - i)
}
println("go1.22 has lift-off!")
}
func testLoopVar() {
var f func() int
for i := 0; i < 1; i++ {
if i == 0 {
f = func() int { return i }
}
}
// Variable n is 1 in Go 1.21, or 0 in Go 1.22.
n := f()
if n == 0 {
println("loops behave like Go 1.22")
} else if n == 1 {
println("loops behave like Go 1.21")
} else {
println("unknown loop behavior")
}
}
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