Difference between revisions of "var.store"

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== Example  ==
 
== Example  ==
 
+
--[[User:Adriweb|Adriweb]] ([[User talk:Adriweb|talk]]) 11:33, 14 April 2016 (CEST)
 
<source lang="lua">
 
<source lang="lua">
function on.create()
+
function on.construction()
var.store("sol",1400000)
+
var.store("sol", 1400000)
 
end
 
end
  
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</source>  
 
</source>  
  
This code store some data into the "sol" variable, retrieves the content of the variable sol (string), and prints it on the screen.  
+
This code store some data into the "sol" variable, retrieves the content of the variable sol (string), and prints it on the screen.
  
 
== See also  ==
 
== See also  ==

Latest revision as of 10:33, 14 April 2016

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
varname
string The name of the math variable you want to store stuff in.
data
anything the data you want to store in varname. Can be a number, string, table etc.

Example

--Adriweb (talk) 11:33, 14 April 2016 (CEST)

function on.construction()
	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.

See also