ToAxisOption -> toAxisOption

The axisOption struct is internal, only used to minimize code duplication between the x and y axis.

xaxis.go

@@ -34,7 +34,7 @@ type XAxisOption struct {
 const defaultXAxisHeight = 30
 const boundaryGapDefaultThreshold = 40
 
-func (opt *XAxisOption) ToAxisOption() axisOption {
+func (opt *XAxisOption) toAxisOption() axisOption {
 	position := PositionBottom
 	if opt.Position == PositionTop {
 		position = PositionTop
@@ -63,5 +63,5 @@ func (opt *XAxisOption) ToAxisOption() axisOption {
 
 // newBottomXAxis returns a bottom x-axis renderer.
 func newBottomXAxis(p *Painter, opt XAxisOption) *axisPainter {
-	return newAxisPainter(p, opt.ToAxisOption())
+	return newAxisPainter(p, opt.toAxisOption())
 }

yaxis.go

@@ -38,7 +38,7 @@ type YAxisOption struct {
 	SpineLineShow *bool
 }
 
-func (opt *YAxisOption) ToAxisOption(p *Painter) axisOption {
+func (opt *YAxisOption) toAxisOption(p *Painter) axisOption {
 	position := PositionLeft
 	if opt.Position == PositionRight {
 		position = PositionRight
@@ -91,15 +91,15 @@ func newLeftYAxis(p *Painter, opt YAxisOption) *axisPainter {
 	p = p.Child(PainterPaddingOption(Box{
 		Bottom: defaultXAxisHeight,
 	}))
-	return newAxisPainter(p, opt.ToAxisOption(p))
+	return newAxisPainter(p, opt.toAxisOption(p))
 }
 
 // newRightYAxis returns a right y-axis renderer.
 func newRightYAxis(p *Painter, opt YAxisOption) *axisPainter {
 	p = p.Child(PainterPaddingOption(Box{
 		Bottom: defaultXAxisHeight,
 	}))
-	axisOpt := opt.ToAxisOption(p)
+	axisOpt := opt.toAxisOption(p)
 	axisOpt.Position = PositionRight
 	axisOpt.SplitLineShow = false
 	return newAxisPainter(p, axisOpt)