譬如：
def calculate(*numbers, method = {:add=>true})
就一直報(bào)錯(cuò)：
syntax error, unexpected '=', expecting ')' (SyntaxError)
檢索The Ruby Programming Wikibook 的相關(guān)語法也沒有提示，請(qǐng)問這是什么原因呢？
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小伙看你根骨奇佳，潛力無限，來學(xué)PHP伐。
Suppose you are the interpreter, what would you do with calculate({add: true}) 中的參數(shù) {add: true} 分配給 *numbers 呢，還是 method?
You can’t judge at all, right? So it's not allowed.
Can’t this kind of *numbers variable parameters only be at the end?
def calc(method = {add: true}, *numbers); end is allowed, but the reverse is not allowed.
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