doc: fix os.Pipe() call in the example.

Short variable declarations example passes an fd argument to os.Pipe call.
However, os.Pipe() takes no arguments and returns 2 Files and an error:
https://golang.org/src/os/pipe_linux.go?s=319:360#L1

Fixes: #27384

Change-Id: I0a709f51e0878c57185d901b899d209f001dfcce
Reviewed-on: https://go-review.googlesource.com/132284
Reviewed-by: Robert Griesemer <gri@golang.org>
This commit is contained in:
Dina Garmash 2018-08-30 16:59:29 -04:00 committed by Robert Griesemer
parent 58e970ed79
commit 8a2b5f1f39
1 changed files with 3 additions and 3 deletions

View File

@ -1,6 +1,6 @@
<!--{
"Title": "The Go Programming Language Specification",
"Subtitle": "Version of May 9, 2018",
"Subtitle": "Version of August 30, 2018",
"Path": "/ref/spec"
}-->
@ -2112,8 +2112,8 @@ with initializer expressions but no types:
i, j := 0, 10
f := func() int { return 7 }
ch := make(chan int)
r, w := os.Pipe(fd) // os.Pipe() returns two values
_, y, _ := coord(p) // coord() returns three values; only interested in y coordinate
r, w, _ := os.Pipe() // os.Pipe() returns a connected pair of Files and an error, if any
_, y, _ := coord(p) // coord() returns three values; only interested in y coordinate
</pre>
<p>