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What excellent feature does C++11/14 have?
By 040902fyn, history, 5 years ago, In English

Some contests have allowed participants to use C++11/14, so I want to know some excellent features C++11/14 has. Pls give me some advice!Thanks!

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5 years ago, hide # |
 
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Iterate over a vector using auto:

std::vector<int> a = {1, 2, 3};
for (auto item : a)
    printf("%d\n", a);

or

for (auto it = a.begin(); it != a.end(); ++it)
    printf("%d\n", *it);
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    5 years ago, hide # ^ |
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    Not only the vector, set/map/unordered_set/unordered_map/multiset/... can also be used in this way.

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5 years ago, hide # |
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And the optimize of loops:

Example

Lambda also became available:

Example

As I don't use these features much, if you find mistakes in my code, please comment me.

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Auto comment: topic has been updated by 040902fyn (previous revision, new revision, compare).

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