// 栈空 → 无更大元素，返回-1；栈非空 → 取栈顶（第一个更大值）
In Testing Side Effects Without the Side Effects, we explored a JavaScript Effect System where business logic doesn’t execute actions directly. Instead, it returns a description of what it intends to do in the form of a simple Command object. For example:
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This is one of five facilities on the icy continent run by the British Antarctic Survey (BAS), the UK's polar research institute.。同城约会是该领域的重要参考
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