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go/build/constraint: fix splitPlusBuild func doc comment

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Noticed while reading the code of the new package; likely a copy-paste
from the splitGoBuild function, which is almost identical.

Change-Id: I869272123708d25d237a4f0445f8e853865747f0
Reviewed-on: https://go-review.googlesource.com/c/go/+/295469
Trust: Alberto Donizetti <alb.donizetti@gmail.com>
Reviewed-by: Russ Cox <rsc@golang.org>
This commit is contained in:
Alberto Donizetti 2021-02-23 15:05:33 +01:00 committed by Russ Cox
parent 55d7dcc3cd
commit 5e94fe9316
1 changed files with 2 additions and 2 deletions
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4
src/go/build/constraint/expr.go
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@ -355,8 +355,8 @@ func IsPlusBuild(line string) bool {
return ok
}
// splitGoBuild splits apart the leading //go:build prefix in line from the build expression itself.
// It returns "", false if the input is not a //go:build line or if the input contains multiple lines.
// splitPlusBuild splits apart the leading // +build prefix in line from the build expression itself.
// It returns "", false if the input is not a // +build line or if the input contains multiple lines.
func splitPlusBuild(line string) (expr string, ok bool) {
// A single trailing newline is OK; otherwise multiple lines are not.
if len(line) > 0 && line[len(line)-1] == '\n' {