C++ Syntax Cheat Sheet. ... Operators such as +, -, *, etc. are familiar and ubiquitous when working with simple data types like integers and floating point numbers. These operators as well as others ...

This table shows that the string at index 0 can be interpreted as the tokens + or ++ and that the production rule UNARY_OPERATOR -> PLUS_PLUS DECL_REF_EXPR is matched at this index. To obtain that ...

The syntax also would double down on modern C++, making C++ 20 modules and C++ 23 import std the default. The Cppfront compiler is still a work in progress.