36 lines
536 B
Go
36 lines
536 B
Go
package missinggo
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import (
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"bytes"
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"expvar"
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"fmt"
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)
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type IndentMap struct {
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expvar.Map
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}
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var _ expvar.Var = (*IndentMap)(nil)
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func NewExpvarIndentMap(name string) *IndentMap {
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v := new(IndentMap)
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v.Init()
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expvar.Publish(name, v)
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return v
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}
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func (v *IndentMap) String() string {
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var b bytes.Buffer
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fmt.Fprintf(&b, "{")
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first := true
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v.Do(func(kv expvar.KeyValue) {
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if !first {
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fmt.Fprintf(&b, ",")
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}
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fmt.Fprintf(&b, "\n\t%q: %v", kv.Key, kv.Value)
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first = false
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})
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fmt.Fprintf(&b, "}")
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return b.String()
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}
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