close returns a value of zero if the close succeeded.
returns a value that always reflects the current state of the check box.
returns a value that always reflects the current state of the slider.
returns a value that always reflects the primary selection in the list box.
returns a value that always reflects the current set of selected elements in the list box.
On the other hand, a method that simply returns a value (e.g. a fruitful function with no side effects should be a noun phrase that describes the value.
If FUNCTION KTF returns a value whose units are nothing, then f will have units of nothing, and v/f will have units of mV.
Note that get_xsxset only returns a value once the corresponding set_xsxset command has been made, otherwise it returns the empty string.
A base case is necessary in recursion; it determines when the procedure returns a value (or terminates), rather than continuing the recursive process.
Calling the function not only returns a value, but also has the side effect of changing the function in some way, so that the next call with the same argument will return a different result.
