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< th colspan = "3" align = "center" > upper_bound< / th >
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const_iterator upper_bound(const key_type & x) const
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< p > Find the least key greater than x. < / p >
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< p > The target key to find. < / p >
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< h4 class = "title" > < a id = "id3603229" > < / a > Return Value< / h4 >
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< p > The valid iterator sitting on the key, or an invalid one. < / p >
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< p > < a class = "ulink" href = "http://www.cplusplus.com/reference/stl/map/upper_bound/" target = "_top" > http://www.cplusplus.com/reference/stl/map/upper_bound/< / a > < / p >
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iterator upper_bound(const key_type & x,
bool readonly=false)
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< p > Find the least key greater than x. < / p >
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< h5 class = "title" > < a id = "id3603117" > < / a > x< / h5 >
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< p > The target key to find. < / p >
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< h5 class = "title" > < a id = "id3603033" > < / a > readonly< / h5 >
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< p > Whether the returned iterator is readonly. < / p >
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< h4 class = "title" > < a id = "id3603038" > < / a > Return Value< / h4 >
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< p > The valid iterator sitting on the key, or an invalid one. < / p >
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< p > < a class = "ulink" href = "http://www.cplusplus.com/reference/stl/map/upper_bound/" target = "_top" > http://www.cplusplus.com/reference/stl/map/upper_bound/< / a > < / p >
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< h3 class = "title" > < a id = "id3603128" > < / a > Group: Searching Functions< / h3 >
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< p > The following functions are returning iterators, and they by default return read-write iterators.< / p >
< p > If you intend to use the returned iterator only to read, you should call the const version of each function using a const reference to this container. Using const iterators can potentially promote concurrency a lot. You can also set the readonly parameter to each non-const version of the functions to true if you don't use the returned iterator to write, which also promotes concurrency and overall performance. < / p >
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