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class FalseClass
The global value false
is the only instance of class FalseClass
and represents a logically false value in boolean expressions. The class provides operators allowing false
to participate correctly in logical expressions.
Public Instance Methods
false & obj → false Show source
nil & obj → false
static VALUE
false_and(VALUE obj, VALUE obj2)
{
return Qfalse;
}
And—Returns false
. obj is always evaluated as it is the argument to a method call—there is no short-circuit evaluation in this case.
false ^ obj → true or false Show source
nil ^ obj → true or false
static VALUE
false_xor(VALUE obj, VALUE obj2)
{
return RTEST(obj2)?Qtrue:Qfalse;
}
Exclusive Or—If obj is nil
or false
, returns false
; otherwise, returns true
.
inspect()
Alias for: to_s
to_s → "false" Show source
static VALUE
false_to_s(VALUE obj)
{
return rb_usascii_str_new2("false");
}
'nuf said…
Also aliased as: inspect
false | obj → true or false Show source
nil | obj → true or false
static VALUE
false_or(VALUE obj, VALUE obj2)
{
return RTEST(obj2)?Qtrue:Qfalse;
}
Or—Returns false
if obj is nil
or false
; true
otherwise.
Ruby Core © 1993–2017 Yukihiro Matsumoto
Licensed under the Ruby License.
Ruby Standard Library © contributors
Licensed under their own licenses.