Function: shape()
shape(
title,on,color?,price?):void
Show the declared shape title on this bar when on. A shape is a series
like a plot: it carries a value on the bars it fires on (price, else the
close) and nothing on the others. price is required for
ShapeLocation.Absolute; color overrides the declared colour for this bar
(0 = declared colour).
Parameters
title
string
on
bool
color?
i32 = 0
price?
f64 = NaN
Returns
void