Functionsยง
- require_
application_ ๐is_ lent - Requires that
(lhs rhs)satisfies the given predicate. The semantics of(lhs rhs)is:rhsifrhs is copyorlhs union rhsotherwise. - require_
perm_ ๐is_ lent - require_
term_ ๐is_ lent - require_
ty_ ๐is_ lent