def set_diff_opcode_generator_class(renderer):
    assert renderer

    globals()['_generator'] = renderer
Check if a key exists in this cache.
dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/diffviewer/opcode_generator.py/set_diff_opcode_generator_class--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/jinja2-2.6/jinja2/utils.py/LRUCache.__contains__