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refactor: optimize error message concatenation in default_validator (#4685)
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@ -32,7 +32,10 @@ func (err SliceValidationError) Error() string {
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if b.Len() > 0 {
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b.WriteString("\n")
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}
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b.WriteString("[" + strconv.Itoa(i) + "]: " + err[i].Error())
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b.WriteString("[")
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b.WriteString(strconv.Itoa(i))
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b.WriteString("]: ")
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b.WriteString(err[i].Error())
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}
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}
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return b.String()
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