--- load(file[, priv])

    file  Ruby ץɡ¹Ԥޤ
    file ɤѥϥƥѿ $:
    ǷꤵޤѥƬ `~'()ϥ桼Υۡǥ
    쥯ȥŸޤ

    άǽʰ priv ΤȤ
    ɡ¹ԤŪ̵̾⥸塼
    ȥåץ٥ȤƹԤ졢Х֤̾ޤ

    ɤϡtrue ֤ޤ
    Ԥϡ㳰 LoadError ȯޤ

