Extended maintenance of Ruby versions 1.8.7 and 1.9.2 ended on July 31, 2014. Read more
The global value true
is the only instance of class
TrueClass
and represents a logically true value in boolean
expressions. The class provides operators allowing true
to be
used in logical expressions.
And—Returns false
if obj is nil
or
false
, true
otherwise.
static VALUE true_and(VALUE obj, VALUE obj2) { return RTEST(obj2)?Qtrue:Qfalse; }
Exclusive Or—Returns true
if obj is nil
or false
, false
otherwise.
static VALUE true_xor(VALUE obj, VALUE obj2) { return RTEST(obj2)?Qfalse:Qtrue; }