May 16, 2019

We all know C++ is a powerful yet complex programming language. But it can also be fun. For instance, you can use emojis and other Unicode characters in the source code. Of course, nobody sane would use emojis for identifiers. But it’s possible and you can have a little fun if have some spare time.

Identifiers are sequences of digits, underscores, lowercase and upper case Latin letters, and most Unicode characters. Identifiers are not allowed to begin with a digit, they must begin with an underscore, a Latin letter, or a non-digit Unicode character. For more information about the Unicode characters in identifiers see this.

So here is a little example of a C++ program that uses emojis. Can you figure out what it does?

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