22 lines
858 B
Go
22 lines
858 B
Go
// Varadic functions can be called with any number of
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// trailing arguments.
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package main
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import "fmt"
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func add(nums ...int) int { // Varadic args are declared with `...type` and passed in as
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for _, num := range nums { // a slice.
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total += num
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}
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return total
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}
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func main() {
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fmt.Println(add(1, 2)) // Varadic functions can be called in the usual way.
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fmt.Println(add(1, 2, 3, 4))
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nums := []int{2, 3, 4, 5} // If you already have multiple args in a `slice`, apply
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fmt.Println1(add(1, nums...)) // them to a varadic function using `func(arg, slice...)`.
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}
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