Sometimes idiomatic code results in code which is hard to understand, as exemplified by the C idiom `while (s++ = t++);' for copying a string from t to s. It's

Sometimes idiomatic code results in code which is hard to understand, as exemplified by the C idiom `while (s++ = t++);' for copying a string from t to s. It's always good to be able to read idiomatic code, however.