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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import "fmt"
func sum(a []int) int { // returns an int
s := 0
for i := 0; i < len(a); i++ {
s += a[i]
}
return s
}
func main() {
x := [3]int{1, 2, 3}
s := sum(x[:]) // a slice of the array is passed to sum
fmt.Print(s, "\n")
}
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