comma operator causes hard to spot bugs

[Era Scarecrow]

On Saturday, 28 April 2012 at 03:19:19 UTC, Era Scarecrow wrote:
> becomes:
>
> int c = {a = b; b = 7; 8;};
> int c = {a = b; b = 7; return 8;};
>
>  Like this it looks less like a function call and a scope 
> instead; but still returns something from a scope as it's 
> return value. Although then it's almost a lambda function, 
> except without calling parameters. Mmm thoughts?

I tend to edit my text all over the place so sorry.

The first one {a = b; b = 7; 8;}; was suppose to have a note it 
would error while assigning value of void return value.

  Using the blocks/scope makes the book example look less like a 
function call; But can still return something from a scope as 
it's return value. Although then it's almost a lambda function 
except without calling parameters.

  Most likely it wouldn't return anything, if you needed a return 
you use a lambda instead. So:
  a = b; b = 7;
  int c = 8; //returns void so there is simply no block

  or

  int c = (){a = b; b = 7; return 8;};