nil
is considered true
as a generalized boolean,
t
is generally used when there is no special reason to prefer one
such object over another.)
2. the name of the type to which all objects belong—the
supertype of all types (including itself).
3. the name of the superclass of all classes except itself.
*terminal-io*
.
nil
if there are fewer than three values.
~
).
See Figure 2.5.
1/3600
between -24
(inclusive)
and 24
(inclusive) that represents a time zone as a number of hours
offset from Greenwich Mean Time. Time zone values increase with motion to the west,
so Massachusetts, U.S.A. is in time zone 5
,
California, U.S.A. is time zone 8
,
and Moscow, Russia is time zone -3.
(When “daylight savings time” is separately represented
as an argument or return value, the time zone
that accompanies it does not depend on whether daylight savings time
is in effect.)
compile-file
for
the purposes of enabling compile time evaluation of that
form.
Top level forms include those forms which
are not subforms of any other form,
and certain other cases. See Section 3.2.3.1 (Processing of Top Level Forms).
*trace-output*
.
two-way-stream
,
which is a bidirectional composite stream that
receives its input from an associated input stream
and sends its output to an associated output stream.
vector
is an array type.”
random-state
, the list (integer 3 5)
,
the list (and list (not null))
, and the class named
standard-class
are type specifiers.”