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package etcd
import "fmt"
func (c *Client) CompareAndDelete(key string, prevValue string, prevIndex uint64) (*Response, error) {
raw, err := c.RawCompareAndDelete(key, prevValue, prevIndex)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
func (c *Client) RawCompareAndDelete(key string, prevValue string, prevIndex uint64) (*RawResponse, error) {
if prevValue == "" && prevIndex == 0 {
return nil, fmt.Errorf("You must give either prevValue or prevIndex.")
}
options := Options{}
if prevValue != "" {
options["prevValue"] = prevValue
}
if prevIndex != 0 {
options["prevIndex"] = prevIndex
}
raw, err := c.delete(key, options)
if err != nil {
return nil, err
}
return raw, err
}
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