█ OVERVIEW
This is a simplest example of user-defined types (UDT) or objects, which simplify as alternative to hello world.
█ CREDITS
Tradingview
█ USAGE
These are the types used during initializations, commonly variables.
export type Settings
int bar
float price
string phrase
...
Example of library function to print out label.
export printLabel(Settings setup) =>
if setup.variable
var label lab = na
label.delete(lab)
lab := label.new(setup.bar, setup.price, setup.phrase, color = setup.bg)
else
label.new(setup.bar, setup.price, setup.phrase, color = setup.bg)
Usage of types
Settings setup = Settings.new(bar_index[0], priceInput, phraseInput, colorInput, variableInput)
Alternative way to write types
Settings setup = Settings.new(
bar = bar_index[0],
price = priceInput,
phrase = phraseInput,
variable = variableInput)
Usage of types into custom function / library function.
printLabel(Settings)
Print out label
Parameters:
Settings: types
Returns: Label object
Settings
Initialize type values
Fields:
bar: X position for label
price: Y position for label
phrase: Text for label
bg: Color for label
variable: Boolean for enable new line and delete line