Why should the overloaded assignment operator return a non-const reference?

Despite appearances, the syntax inside sml::make_transition_table is not a DSL but rather standard C++ expressions, where the operators (+, [], /, <=) are ... ... operator changing meaning from C++98 to C++11: test.cpp:3:7: warning: use of ... information about how to interpret this context information. The standard is unclear on where a _Pragma operator can appear. The ... Other pragmas are meaningful to the C or C++ compilers. They are documented ... not an issue to report; informational. 1540 pointer member 'Symbol ... operator 'Name' is both an ordinary function 'String' and a member function ... This White Paper is for informational purposes only. MICROSOFT MAKES NO ... Some C++ compilers implement operator new as a function, causing all ... May 23, 2022 ... This operator isn't particularly interesting, it solely exists to ... * anyway), but it's still useful and informative to consider these ... The C/C++ Compiler Manual for SHARC Processors contains information about the C ... operator keywords in C++ source files. The Alternative Operator ... ... operator overloading, inheritance, and polymorphism. (L,M). COMSC 12-Java ... C or C++. Topics include: Java and HTML, Applet user interfaces, graphics ... ... operator . . . . . . . . . . . . . . . . . 87. 6.5.11 Bitwise exclusive OR ... ++ = getchar()); the expression statement is grouped as if it were ... The compiler has detected a cast between C and C++ linkage function types. ... Following a diagnosis of operator ambiguity, this information message ...