remprop

remprop( 
sl_id 
S_name 
) 
=> l_result / nil

Removes a property from a property list and returns the property’s former value.

sl_id	Symbol or disembodied property list.
S_name	Property name.

l_result	Former value of the property as a single element list.
`nil`	The property does not exist.

Assigns the property pins to chip.

putprop( 'chip 8 'pins ) 
=> 8

Removes the property pins from chip.

get( 'chip 'pins ) 
=> 8
remprop( 'chip 'pins ) 
=> (8)

get( 'chip 'pins) 
=> nil