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/Ruby 2.2

class FalseClass

Parent:: Object

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

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;
}

false ^ obj → true or false Show source

nil ^ obj → true or false

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

static VALUE
false_xor(VALUE obj, VALUE obj2)
{
    return RTEST(obj2)?Qtrue:Qfalse;
}

inspect()

Alias for: to_s

to_s → "false" Show source

'nuf said…

static VALUE
false_to_s(VALUE obj)
{
    return rb_usascii_str_new2("false");
}

Also aliased as: inspect

false | obj → true or false Show source

nil | obj → true or false

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

static VALUE
false_or(VALUE obj, VALUE obj2)
{
    return RTEST(obj2)?Qtrue:Qfalse;
}

Ruby Core © 1993–2016 Yukihiro Matsumoto
Licensed under the Ruby License.
Ruby Standard Library © contributors
Licensed under their own licenses.