Added unordered_map::at(), unordered_map::emplace(), and unordered_map::swap() - Githubissues

Bhupesh-V / 30-seconds-of-cpp

30 Seconds of C++ (STL in C++). Read More about 30C++ here 👉

https://bhupesh-v.github.io/30-Seconds-of-C++/

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Added unordered_map::at(), unordered_map::emplace(), and unordered_map::swap() #664

Open abust005 opened 2 years ago

abust005 commented 2 years ago

Added examples and snippets for unordered_map::at(), unordered_map::emplace(), unordered_map::swap()

Changes

Added Markdown file for unordered_map::at(), corresponding code snipped in at.cpp, and link to RexTester with said code snippet.

Added Markdown file for unordered_map::emplace(), corresponding code snipped in emplace.cpp, and link to RexTester with said code snippet.

Added Markdown file for unordered_map::swap(), corresponding code snipped in swap.cpp, and link to RexTester with said code snippet.

Added a small comment to unordered_map/contains.md to specify that unordered_map::contains() is a C++20 feature.

Checklist

[x] I have read CONTRIBUTING guidelines.
[] This is a typo fix.
[x] I am not updating any todo.txt files.