I think the way to look at it is “what would be the behavior of if you were inline creating and initializing a struct containing both values” - clearly this behavior is not what you would want or expect.
> On Jan 15, 2020, at 1:25 PM, Paul Jolly <p...@myitcv.io> wrote: > > >> >> "when evaluating the operands of an expression, assignment, or return >> statement, all function calls, method calls, and communication operations >> are evaluated in lexical left-to-right order." > > My understanding goes as follows: the operands of the return statement > are i and modify(&i). The comma after "return statement" in the above > sentence is then important: because the only "function calls, method > calls, and communication operations" in that list of operands are (is) > modify(&i). > > Hence when i (as in the first operand) is evaluated is not specified. > And therefore it's dangerous to rely on it being one value or another > (which it could be given the example you provide). > > There was even some discussion at the London Gophers November 2019 > meetup (where the conundrum was very related > https://docs.google.com/presentation/d/e/2PACX-1vQ07uP_ldnSYzpaNb5AlZZ-_tL2mZuoNfQgxvsTKSM4aglYR-nuvyrZ8nK__r3YQTo1vqH-Hmax3aXs/pub?slide=id.g6239d05d0e_0_1) > about whether it would be possible to statically flag potential errors > like this. > > -- > 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. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/CACoUkn7KA0Z-TDypdvM%3Du%3DyVPHuHFmtD%3DiTV2c98Vm%3Dqn4NcPw%40mail.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. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/9EC93CAE-B11C-45E3-9D01-AC4AE5769BEE%40ix.netcom.com.
