— Function: property-value object property-name

=> value

Arguments and Values:

object — an object.

property-name — a symbol, representing the name of the property to be accessed.

value — The value of the property.

Description:

PROPERTY-VALUE searches object's precedence list for the first object with a direct property named by property-name.

If no ancestors hold a direct property by that name, a condition of type UNBOUND-PROPERTY is signaled.