Low level CLOS API collection library.
Generic must be generic function. method must be method object.
Adds method to generic.
Returns a list of getter, setter and bound check for the given class's slot slot.
The returning list must have 3 elements, getter, setter and bound? respectively. Each element must be either #f or procedure. If #f is used then the default procedure will be used.
For the example code, see Sagittarius MOP.
Returns all getters and setters for the given class's slots.
The upper layer of compute-getter-and-setter. This method should only
be used if users absolutely need to use accessor to access the target slots.
Returns slot name of given slot.
Returns slot options of given slot.
Returns slot option's value of given slot if it has the keyword.
If default is given, then it will be the fallback value when _keyword_is not found. Otherwise this procedure raises an error.