The arguments key must be references to keyword objects, the
arguments symb must be references to symbol objects. The
following bindings are exported by the library
Convert between a symbol and a keyword.
Return the string representation of a keyword.
#t if the arguments are equal. A keyword object is equal to
itself; two distinct keyword objects are equal if they have the same
Return an exact integer suitable to be used as hash value for keyword used as key for hashtables.