roller-coaster | advanced animation path use case demo | Frontend Framework library
kandi X-RAY | roller-coaster Summary
kandi X-RAY | roller-coaster Summary
Use case example for advanced animation path blog post. The MIT License (MIT). Copyright (c) 2014 Oleg Solomka(Legomushroom) legomushroom.com legomushroom@gmail.com.
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QUESTION
I have the following code that looks if a key exists and if so, returns the key and the value:
...ANSWER
Answered 2021-Apr-25 at 00:09No, there is no built-in method that does this. That's what "unordered" means. By definition: the values in an unordered map are not stored in any specific order.
Even for a regular, ordered std::map
: the only thing that its available methods will give you, if used wisely, is the range of the keys, but you will still need to search through them all.
Note that either in an unordered_map
or a map
, the values are modifiable, and you can modify the value stored under any key at any time you wish, and the map will not care at all. So, given that, how do you expect your map to even have any way of doing that?
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