On Wed, Jun 10, 2020 at 11:05 PM xiangdong...@gmail.com
<xiangdong...@gmail.com> wrote:
>
> Wondering if the 'expression' part of an if-statement should be in one line
> only, given the following case, 'go tool compile' will report a syntax error
>
> Enter code here...
> package p
>
> func cf1() int {
> return 0
> }
>
> func cf2() int {
> return 10
> }
>
> func f() {
> if cf2() - 1
> < cf1() {
> println("tested")
> }
> }
>
>
> ss.go:13:3: syntax error: unexpected <, expecting expression
>
> Guess there might be syntax specification rules but I failed to find out.
It's because of automatic semicolon insertion. You need to put the
"<" at the end of the "if" line, not at the start of the next line.
See https://golang.org/ref/spec#Semicolons .
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.
To view this discussion on the web visit
https://groups.google.com/d/msgid/golang-nuts/CAOyqgcXJkjsa8tDOQYSrPp0PXWF-xvwj-gJFFJQk5LS9DjdxSw%40mail.gmail.com.
