objective c - Short way to write conditional assignment in ObjC

Question

Does Objective-C have an even shorter way of writing this line of code?

 a = b ? b : c;

That is, a way to say, a is equal to b as long it is not nil, else c. This is like Ruby's operator ||=

Answer 1

Does the following work for you:

a = b ? : c;

(This syntax is a GNU extension to C, so you might have to use the GCC and not LLVM - http://gcc.gnu.org/onlinedocs/gcc-3.2.3/gcc/Conditionals.html#Conditionals).