What is a candidate function? What is a viable function?
什么是候选函数？什么是可行函数？
The match for each argument is no worse than the match required by any other viable function.
其每个实参的匹配都不劣于其他可行函数需要的匹配。
This call is therefore ambiguous: Each viable function is a better match on one of the arguments to the call.
因此，这个调用有二义性：每个可行函数都对函数调用的一个实参实现更好的匹配。
There is at least one argument for which the match is better than the match provided by any other viable function.
至少有一个实参的匹配优于其他可行函数提供的匹配。
The third step of function overload resolution determines which viable function has the best match for the actual arguments in the call.
函数重载确定的第三步是确定与函数调用中使用的实际参数匹配最佳的可行函数。
The third step of function overload resolution determines which viable function has the best match for the actual arguments in the call.
函数重载确定的第三步是确定与函数调用中使用的实际参数匹配最佳的可行函数。
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