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# Assign operator

#include "common.hpp"

int main() {

Unlike in C, some C++ operators return lvalues.

- http://www.quora.com/Why-does-the-pre-increment-operator-in-C++-gives-lvalue-instead-of-rvalue-as-in-C

{

// =

{

int i = 0, j = 1, k = 2;

(i = j) = k;

assert(i == 2);

assert(j == 1);

assert(k == 2);

}

// Prefix ++

{

int i = 0;

assert(++++i == 2);

assert(i == 2);

// ERROR: but not postfix.

//i++++;

}

// ERROR: as in C, most other operators do not return lvalues

//(i + j) = k;

}