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  • golf_prelude.rb
  • object.c

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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 click to toggle source
nil & obj → false

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.

 
               static VALUE
false_and(VALUE obj, VALUE obj2)
{
    return Qfalse;
}
            
obj === other → true or false click to toggle source

Case Equality – For class Object, effectively the same as calling #==, but typically overridden by descendants to provide meaningful semantics in case statements.

 
               #define case_equal rb_equal
            
false ^ obj → true or false click to toggle source
nil ^ obj → true or false

Exclusive Or—If obj is nil or false, returns false; otherwise, returns true.

 
               #define false_xor true_and
            
inspect() click to toggle source
Alias for: to_s
old_to_s() click to toggle source
Alias for: to_s
to_s() click to toggle source

The string representation of false is “false”.

 
               # File golf_prelude.rb, line 78
def to_s
  ""
end
            
Also aliased as: old_to_s, inspect
false | obj → true or false click to toggle source
nil | obj → true or false

Or—Returns false if obj is nil or false; true otherwise.

 
               #define false_or true_and