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mongox-go-driver/mongox/base/reset.go

32 lines
501 B

package base
import (
"fmt"
"reflect"
)
// Reset function creates new zero object for the target pointer
func Reset(target interface{}) (created bool) {
type resetter interface {
Reset()
}
resettable, canReset := target.(resetter)
if canReset {
resettable.Reset()
return false
}
v := reflect.ValueOf(target)
if v.Kind() != reflect.Ptr {
panic(fmt.Errorf("reset target should be a pointer"))
}
t := v.Elem().Type()
zero := reflect.Zero(t)
v.Elem().Set(zero)
return true
}