what is return a=true?

[landlord2017]

I understand

  return a==true;

But what is a return statement as below?

  return a=true;

Does it mean first to assign true to a, then return true?

Thanks,

L

[JLBorges]

Equivalent to return ( a = true ) ;
Assign true to a; return the result of the assignment (the result of the assignment is typically a reference to a).

[boost lexical cast]

JLBorges wrote:

return the result of the assignment (the result of the assignment is typically a reference to a

"Typically", meaning all integral types, most if not all of the standard library, and most classes.

[landlord2017]

I suddenly got this. This is like what happen to" return a++;" and "return ++a".

Thanks,
L

[boost lexical cast]

a++ would return a not incremented and ++a would return a incremented.

[ne555]

> I understand
> return a==true;
I don't. Surely you may do return a;

[boost lexical cast]

ne555 wrote:

I don't. Surely you may do return a;

I think the OP means he/she understands what it does.