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runtime/debug: document ParseBuildInfo and (*BuildInfo).String 

For #51026
Fixes #69971

Change-Id: I47f2938d20cbe9462bf738a506baedad4a7006c3
Reviewed-on: https://go-review.googlesource.com/c/go/+/621837
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Ian Lance Taylor 2024-10-22 17:21:33 -07:00 committed by Gopher Robot
parent 7d9802ac5e
commit 0c460ad014
1 changed files with 7 additions and 0 deletions
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7
src/runtime/debug/mod.go
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@ -101,6 +101,7 @@ func quoteValue(value string) bool {
return strings.ContainsAny(value, " \t\r\n\"`")
}
// String returns a string representation of a [BuildInfo].
func (bi *BuildInfo) String() string {
buf := new(strings.Builder)
if bi.GoVersion != "" {
@ -146,6 +147,12 @@ func (bi *BuildInfo) String() string {
return buf.String()
}
// ParseBuildInfo parses the string returned by [*BuildInfo.String],
// restoring the original BuildInfo,
// except that the GoVersion field is not set.
// Programs should normally not call this function,
// but instead call [ReadBuildInfo], [debug/buildinfo.ReadFile],
// or [debug/buildinfo.Read].
func ParseBuildInfo(data string) (bi *BuildInfo, err error) {
lineNum := 1
defer func() {