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updates + tests

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This commit is contained in:
Will Charczuk 2018-09-07 12:52:30 -07:00
parent 1144b80a46
commit 1555902fc4
13 changed files with 207 additions and 2 deletions
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12
continuous_series.go
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@ -2,6 +2,13 @@ package chart
import "fmt"
// Interface Assertions.
var (
_ Series = (*ContinuousSeries)(nil)
_ FirstValuesProvider = (*ContinuousSeries)(nil)
_ LastValuesProvider = (*ContinuousSeries)(nil)
)
// ContinuousSeries represents a line on a chart.
type ContinuousSeries struct {
Name string
@ -36,6 +43,11 @@ func (cs ContinuousSeries) GetValues(index int) (float64, float64) {
return cs.XValues[index], cs.YValues[index]
}
// GetFirstValues gets the first x,y values.
func (cs ContinuousSeries) GetFirstValues() (float64, float64) {
return cs.XValues[0], cs.YValues[0]
}
// GetLastValues gets the last x,y values.
func (cs ContinuousSeries) GetLastValues() (float64, float64) {
return cs.XValues[len(cs.XValues)-1], cs.YValues[len(cs.YValues)-1]