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$ curl repovive.com/roadmaps/go/loops/loop-variable-scope

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$ curl repovive.com/roadmaps/go/loops/loop-variable-scope

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Loop Variable Scope - Loops | Go | Repovive

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Go10 sections · 431 units20h total

Open in Course

Loop Variable Scope

Where variables live

Variables declared in the loop init are scoped to the loop:

for i := 0; i < 3; i++ {
    fmt.Println(i)
}
// i is not accessible here

If you need the variable after the loop, declare it before:

var i int
for i = 0; i < 3; i++ {
    fmt.Println(i)
}
fmt.Println("Final:", i) // 3