>>51
コンパイルエラーのコードだからじゃね？


g++とComeau C/C++では普通に通らなかったよ？

"ComeauTest.c"
error: no operator "+=" matches these operands
operand types are: index += const index
return ( index( left ) += right );
^

1 error detected in the compilation of "ComeauTest.c".

In strict mode, with -tused, Compile failed
Hit the Back Button to review your code and compile options.
Compiled with C++0x extensions enabled.