class TrueClass
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.
Public Instance Methods
true & obj → true or false
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And—Returns false
if obj is nil
or
false
, true
otherwise.
static VALUE true_and(VALUE obj, VALUE obj2) { return RTEST(obj2)?Qtrue:Qfalse; }
true ^ obj → !obj
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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; }
to_s → "true"
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The string representation of true
is “true”.
static VALUE true_to_s(VALUE obj) { return rb_usascii_str_new2("true"); }
Also aliased as: inspect
true | obj → true
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Or—Returns true
. As obj is an argument to a method
call, it is always evaluated; there is no short-circuit evaluation in this
case.
true | puts("or") true || puts("logical or")
produces:
or
static VALUE true_or(VALUE obj, VALUE obj2) { return Qtrue; }