# 07.08-問題

* `sum` 函式可以取得一個 slice 的數字，並且將這些數字加總。在 Go 語言中，它的函式特徵值（function signature）看起來像什麼呢？
* 設計一個函式，傳遞一個整數型別的數值給它，讓它將這個整數除以二（平分），若結果是偶數則傳回 true，若結果是奇數則傳回 false。例如：`half(1)` 應該要傳回 `(0, false)` 而 `half(2)` 則應該傳回 `(1, true)`。
* 設計一個函式，參數的個數是可變的，並找出這串輸入的參數值之最大值。
* 以 `makeEvenGenerator` 為例，設計一個 `makeOddGenerator` 函式，用以產生奇數。
* 費伯納數列（Fibonacci sequence）的定義是：`fib(0) = 0`, `fib(1) = 1`, `fib(n) = fib(n-1) + fib(n-2)`，請設計一個遞迴函式來取得 `fib(n)`。
* 何謂 defer、panic 及 recover？你要如何從一個執行期的 panic 中進行 recover 呢？


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