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ch5: fix code path
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@@ -4,8 +4,8 @@
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在聲明可變參數函數時,需要在參數列表的最後一個參數類型之前加上省略符號“...”,這表示該函數會接收任意數量的該類型參數。
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<u><i>gopl.io/ch5/sum</i></u>
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```Go
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gopl.io/ch5/sum
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func sum(vals...int) int {
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total := 0
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for _, val := range vals {
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@@ -14,6 +14,7 @@ func sum(vals...int) int {
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return total
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}
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```
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sum函數返迴任意個int型參數的和。在函數體中,vals被看作是類型爲[] int的切片。sum可以接收任意數量的int型參數:
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```Go
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