Difference between revisions of "var.store"
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Revision as of 11:03, 12 June 2011
var.store is a function that is part of the Var functions.
The function set the content of a variable in the current document.
Returns nil when the operation succeeded, otherwise an error message.
Syntax
var.store(varname, data)
Parameter | Type | Description |
---|---|---|
string | The name of the math variable you want to store stuff in. | |
anything | the data you want to store in varname. Can be a number, string, table etc. |
Example
function on.create()
var.store("sol",1400000)
end
function on.paint(gc)
variable = var.recall("sol") --assuming that sol exists
gc:drawString("The diameter of the sun is " .. tostring(variable) .. " KM", 10, 10, "top")
end
This code store some data into the "sol" variable, retrieves the content of the variable sol (string), and prints it on the screen.