Listing 11 is best thought of as a giant conditional statement, which executes a particular branch based on the value of the o parameter in the request url.
清单11被视为一个庞大的条件语句，它基于请求url中的o参数的值执行一个特定的分支。
2
The restriction to constant labels enables the branch computation to be an o (1) operation rather than an o (n) operation.
常量标签的限制使分支计算成为了一种O(1)运算，而不是O (n)运算。
3
'I don't like my children going and making themselves beholden to strange kin,' murmured he. 'I'm the head of the noblest brancho' the family, and I ought to live up to it. '.