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Add some type safety to getting DOHLCV columns

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Luke I. Wilson
2023-05-20 16:16:37 -05:00
parent ed08bd275d
commit 920df02bcc
2 changed files with 18 additions and 14 deletions
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28
frame.go
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@@ -178,29 +178,29 @@ func (d *Frame) Dates() *Series {
return d.Series("Date")
}
// Opens returns a Series of all the open prices in the Frame. This is equivalent to calling Series("Open").
func (d *Frame) Opens() *Series {
return d.Series("Open")
// Opens returns a FloatSeries of all the open prices in the Frame. This is equivalent to calling Series("Open").
func (d *Frame) Opens() *FloatSeries {
return &FloatSeries{d.Series("Open")}
}
// Highs returns a Series of all the high prices in the Frame. This is equivalent to calling Series("High").
func (d *Frame) Highs() *Series {
return d.Series("High")
// Highs returns a FloatSeries of all the high prices in the Frame. This is equivalent to calling Series("High").
func (d *Frame) Highs() *FloatSeries {
return &FloatSeries{d.Series("High")}
}
// Lows returns a Series of all the low prices in the Frame. This is equivalent to calling Series("Low").
func (d *Frame) Lows() *Series {
return d.Series("Low")
// Lows returns a FloatSeries of all the low prices in the Frame. This is equivalent to calling Series("Low").
func (d *Frame) Lows() *FloatSeries {
return &FloatSeries{d.Series("Low")}
}
// Closes returns a Series of all the close prices in the Frame. This is equivalent to calling Series("Close").
func (d *Frame) Closes() *Series {
return d.Series("Close")
// Closes returns a FloatSeries of all the close prices in the Frame. This is equivalent to calling Series("Close").
func (d *Frame) Closes() *FloatSeries {
return &FloatSeries{d.Series("Close")}
}
// Volumes returns a Series of all the volumes in the Frame. This is equivalent to calling Series("Volume").
func (d *Frame) Volumes() *Series {
return d.Series("Volume")
func (d *Frame) Volumes() *FloatSeries {
return &FloatSeries{d.Series("Volume")}
}
// Contains returns true if the Frame contains all the given series names. Remember that names are case sensitive.