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author | Christopher Speller <crspeller@gmail.com> | 2017-02-02 09:32:00 -0500 |
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committer | Harrison Healey <harrisonmhealey@gmail.com> | 2017-02-02 09:32:00 -0500 |
commit | 701d1ab638b23c24877fc41824add66232446676 (patch) | |
tree | ec120c88d38ac9d38d9eabdd3270b52bb6ac9d96 /vendor/golang.org/x/net/trace/histogram.go | |
parent | ca3211bc04f6dea34e8168217182637d1419f998 (diff) | |
download | chat-701d1ab638b23c24877fc41824add66232446676.tar.gz chat-701d1ab638b23c24877fc41824add66232446676.tar.bz2 chat-701d1ab638b23c24877fc41824add66232446676.zip |
Updating server dependancies (#5249)
Diffstat (limited to 'vendor/golang.org/x/net/trace/histogram.go')
-rw-r--r-- | vendor/golang.org/x/net/trace/histogram.go | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/vendor/golang.org/x/net/trace/histogram.go b/vendor/golang.org/x/net/trace/histogram.go index bb42aa532..9bf4286c7 100644 --- a/vendor/golang.org/x/net/trace/histogram.go +++ b/vendor/golang.org/x/net/trace/histogram.go @@ -12,6 +12,7 @@ import ( "html/template" "log" "math" + "sync" "golang.org/x/net/internal/timeseries" ) @@ -320,15 +321,20 @@ func (h *histogram) newData() *data { func (h *histogram) html() template.HTML { buf := new(bytes.Buffer) - if err := distTmpl.Execute(buf, h.newData()); err != nil { + if err := distTmpl().Execute(buf, h.newData()); err != nil { buf.Reset() log.Printf("net/trace: couldn't execute template: %v", err) } return template.HTML(buf.String()) } -// Input: data -var distTmpl = template.Must(template.New("distTmpl").Parse(` +var distTmplCache *template.Template +var distTmplOnce sync.Once + +func distTmpl() *template.Template { + distTmplOnce.Do(func() { + // Input: data + distTmplCache = template.Must(template.New("distTmpl").Parse(` <table> <tr> <td style="padding:0.25em">Count: {{.Count}}</td> @@ -354,3 +360,6 @@ var distTmpl = template.Must(template.New("distTmpl").Parse(` {{end}} </table> `)) + }) + return distTmplCache +} |