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pivotshort: fix tail function

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c9s 2022-07-25 15:02:59 +08:00
parent bfb7dd51d6
commit 0d5d92b26d
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1 changed files with 1 additions and 1 deletions
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pkg/strategy/pivotshort/resistance.go
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@ -72,7 +72,7 @@ func (s *ResistanceShort) Bind(session *bbgo.ExchangeSession, orderExecutor *bbg
}
func tail(arr []float64, length int) []float64 {
if len(arr) < length {
if len(arr) == 0 || len(arr) < length {
return arr
}