func (g *GraphDefinition) GetStyle() Style {
	if g == nil || g.Style == nil {
		return Style{}
	}
	return *g.Style
}
func (g *GraphDefinition) GetStyle() Style {
	if g == nil || g.Style == nil {
		return Style{}
	}
	return *g.Style
}
func ( g * GraphDefinition ) GetStyle ( ) Style { if g == nil || g . Style == nil { return Style { } } return * g . Style }
// GetStyle returns the Style field if non-nil, zero value otherwise.
GetStyle returns the Style field if non - nil zero value otherwise .