2 |
I
think
what
he
meant
was
that
using
a
number
(
or
anything
except
an
explicit
boolean)
as
a
conditional
tells
you
absolutely
nothing
about
the
value
of
the
number
itself
(
ie.
it
only
says
whether
it's
nil)
.
|
2 |
I
think
what
he
meant
was
that
using
a
number
(
or
anything
except
an
explicit
boolean)
as
a
conditional
tells
you
absolutely
nothing
about
the
value
of
the
number
itself
(
ie.
it
only
says
whether
it's
nil)
.
When
counting
stuff
you
may
want
to
know
whether
there
were
any
at
all
and
that's
where
the
simple
|