With Steve I am on this one.
if (CONSTANT == variable) is like saying "if red is the house" or "if
a car is the vehicle".
When Yoda says things like that its hilarious, when you are trying to
read code it is just a pain.
I often find that writing code that way is just an excuse for not
getting/using better tools.
/// Isak
27 maj 2008 kl. 16.52 skrev Steve Christensen:
On May 26, 2008, at 8:37 PM, Kevin Grant wrote:
I agree that it is perfectly clear. But there is still a serious
problem
with it: it is too easy to make the typo of if(a=b) when one
intended
if(a==b). This can be a surprisingly difficult typo to spot, when
one is
staring at the code with the preconceived belief that one typed
if(a==b).
The style I adopted is to place the "most constant" part of an
expression first: for example, "if (0 == x)" instead of "if (x ==
0)".
This generates a compile-time error for accidental assignments.
I don't like the "if (0 == x)" style myself since it just looks bass-
ackwards. Of course that's just a style preference.
To prevent myself from unwanted assignments (and a lot of other
stupid mistakes) I end up turning on almost every warning option I
can. I may start off with a pile of warnings when I first compile,
but then I work through them and fix the underlying issues.
So, for example, with all those warnings turned on, if I type "if (a
= b)", I get the following in the build results window:
warning: suggest parentheses around assignment used as truth value
steve
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