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bencode: Avoid Value.Interface call testing for big.Int

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Was resulting in significant allocation.
This commit is contained in:
Matt Joiner 2018-07-17 21:25:15 +10:00
parent 216cb7e356
commit b00711bb68
1 changed files with 5 additions and 3 deletions
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8
bencode/encode.go
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@ -105,16 +105,18 @@ func (e *Encoder) reflectMarshaler(v reflect.Value) bool {
return false
}
var bigIntType = reflect.TypeOf(big.Int{})
func (e *Encoder) reflectValue(v reflect.Value) {
if e.reflectMarshaler(v) {
return
}
switch t := v.Interface().(type) {
case big.Int:
if v.Type() == bigIntType {
e.writeString("i")
e.writeString(t.String())
bi := v.Interface().(big.Int)
e.writeString(bi.String())
e.writeString("e")
return
}