What is *actually* missing is boolean operators for boolean types. On Thu, May 4, 2017 at 12:43 PM, Ian Lance Taylor <i...@golang.org> wrote:
> On Thu, May 4, 2017 at 9:42 AM, <occi...@esperanto.org> wrote: > > > > One apparently random omission in C, which was fixed in Perl, is &&= and > > ||=: > > > > a &&= b > > a = a && b > > a ||= b > > a = a || b > > > > except that a gets evalutated only once (e.g. myarray[f(2)] &&= b) > > > > Besides being useful, this would make Go more consistent. Of course > > relative operators also do not have this, but there usually the result > type > > is different (e.g. bool = int < int) > > The &&= and ||= operators are omitted in both C and Go because they > are short-cutting operators. When you write `a = a && b`, then if a > is true, b is not evaluated. So presumably when you write `a &&= b` > then if a is true b is not evaluated. But it is potentially confusing > to see `a &&= f()` when f() may or may not be called. > > Ian > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- Michael T. Jones michael.jo...@gmail.com -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
