Hailstone:~ stefanblixt$ cat test.java
public class test {
int f(int i) {
int c =3;
++c %= 6;
}
}
Hailstone:~ stefanblixt$ javac test.java
test.java:4: unexpected type
required: variable
found : value
++c %= 6;
^
1 error
/Stefan
On Mon, Feb 9, 2009 at 10:51 PM, Kassen
Stefan;
In fact, I think you can remove the % and it still blows - a pause and then Bus error here.
Thanks.
I thought I'd investigate some more and even this catches fire;
int count; 3 %=> (++count);
I tried that because admittedly the intended calculation order in these expressions is a bit vague.
I'm not sure what proper behaviour would be here; "++count" is a bit like a function that should return "count + 1" and clearly functions aren't mutable but it's also a lot like a integer and that clearly is mutable.
"++count%3 => count;" is fine but is that really more readable than "3 %=> ++count;"? I'm not very happy with having to reference "count" twice. Some might argue I should simply use two lines but this kind of thing is such a basic operation that I'd really like to have it on one line and in a readable form.
WWJD? (What Would Java Do?)
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