instance method

Module#===

(untyped other) -> bool

mod === obj → true or false

static VALUE
rb_mod_eqq(VALUE mod, VALUE arg)
{
    return rb_obj_is_kind_of(arg, mod);
}

Case Equality—Returns true if obj is an instance of mod or an instance of one of mod’s descendants. Of limited use for modules, but can be used in case statements to classify objects by class.

See also #== #> #<=> #>= also in 4.1 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0

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