C at the bottom of the small white ask why cannot compile the code-CodePudding

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C at the bottom of the small white ask why cannot compile the code

Time：10-21

CodePudding user response:

It is an iterator, where come of the empty () method

CodePudding user response:

I wrote it according to the c + + primer 11 inside, I don't know the iterator function of the empty, I just wonder how to write in the book

CodePudding user response:

Look at the error message, it should be it is an iterator