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types: Add TradeWith helper

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c9s 2023-06-06 16:57:38 +08:00
parent b90564be90
commit 9f5ef21dda
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1 changed files with 10 additions and 0 deletions
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10
pkg/types/kline.go
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@ -627,6 +627,16 @@ func (k *KLineSeries) Length() int {
var _ Series = &KLineSeries{}
func TradeWith(symbol string, f func(trade Trade)) func(trade Trade) {
return func(trade Trade) {
if symbol != "" && trade.Symbol != symbol {
return
}
f(trade)
}
}
func KLineWith(symbol string, interval Interval, callback KLineCallback) KLineCallback {
return func(k KLine) {
if k.Symbol != symbol || (k.Interval != "" && k.Interval != interval) {