Kernel#autoload?

(::interned name) -> ::String?

autoload?(name, inherit=true) → String or nil

static VALUE
rb_f_autoload_p(int argc, VALUE *argv, VALUE obj)
{
    /* use rb_vm_cbase() as same as rb_f_autoload. */
    VALUE klass = rb_vm_cbase();
    if (NIL_P(klass)) {
        return Qnil;
    }
    return rb_mod_autoload_p(argc, argv, klass);
}

Returns filename to be loaded if name is registered as autoload in the current namespace or one of its ancestors.

Example

autoload(:B, "b")
autoload?(:B)            #=> "b"

module C
  autoload(:D, "d")
  autoload?(:D)          #=> "d"
  autoload?(:B)          #=> nil
end

class E
  autoload(:F, "f")
  autoload?(:F)          #=> "f"
  autoload?(:B)          #=> "b"
end

See also #autoload #binding #at_exit #block_given? also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0

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