— Scheme Procedure: memoized? obj
— C Function: scm_memoized_p (obj)

Return #t if obj is memoized.

— Scheme Procedure: unmemoize m
— C Function: scm_unmemoize (m)

Unmemoize the memoized expression m,

— Scheme Procedure: memoized-environment m
— C Function: scm_memoized_environment (m)

Return the environment of the memoized expression m.