slotBoundp

slotBoundp( 
obj 
s_slotName 
) 
=> t / nil

Checks if a named slot is bound to an instance or not.

For compatibility with previous releases, an equivalent to this function with the name ilSlotBoundp exists.

obj	An instance of some class.
s_slotName	Slot name.

`t`	The slot is bound.
`nil`	The slot is unbound.

It throws an error if obj or t_slotName is invalid.

myObject => slotX = 20
slotBoundp(myObject 'slotX

=> t