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 & object → false
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nil & object → false
Returns false
:
false & true # => false false & Object.new # => false
Argument object
is evaluated:
false & raise # Raises RuntimeError.
static VALUE false_and(VALUE obj, VALUE obj2) { return Qfalse; }
true === other → true or false
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false === other → true or false
nil === other → true or false
false ^ object → true or false
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nil ^ object → true or false
Returns false
if object
is nil
or false
, true
otherwise:
nil ^ nil # => false nil ^ false # => false nil ^ Object.new # => true
#define false_xor true_and
to_s → "false"
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The string representation of false
is “false”.
VALUE rb_false_to_s(VALUE obj) { return rb_cFalseClass_to_s; }
Also aliased as: inspect
false | object → true or false
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nil | object → true or false
Returns false
if object
is nil
or false
, true
otherwise:
nil | nil # => false nil | false # => false nil | Object.new # => true
#define false_or true_and