Global and local precedence

If a local variable is declared that has the same name as a global variable, then it will take precedence over the global variable. The program that follows declares a global named value, however, the function myFunction declares a local variable named value and gives it a floating point value. This variable has priority over the global.

global value as integer = 1


do
	print ( value )
	myFunction ( )
	

	sync ( )
loop


function myFunction ( )
	value as float = 1.2
	print ( value )
endfunction

When you run the program you will see 1 and 1.2 displayed on screen. Due to the local variable taking precedence within the function any attempt to work with value inside myFunction affects the local and not the global.