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.

Instance Methods

true & obj → true or false

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            static VALUE
true_and(VALUE obj, VALUE obj2)
{
    return RBOOL(RTEST(obj2));
}

And—Returns false if obj is nil or false, true otherwise.

obj === other → true or false

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            #define case_equal rb_equal

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

true ^ obj → !obj

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            static VALUE
true_xor(VALUE obj, VALUE obj2)
{
    return rb_obj_not(obj2);
}

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

inspect

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An alias for

true.to_s → "true"

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            MJIT_FUNC_EXPORTED VALUE
rb_true_to_s(VALUE obj)
{
    return rb_cTrueClass_to_s;
}

The string representation of true is “true”.

true | obj → true

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            static VALUE
true_or(VALUE obj, VALUE obj2)
{
    return Qtrue;
}

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