def _and(filter1, filter2):
    return _and_cache[filter1, filter2]
Get the Vim line number representing the top of the visible terminal.
dataset/ETHPy150Open jonathanslenders/python-prompt-toolkit/prompt_toolkit/filters/base.py/_and--crossover with--dataset/ETHPy150Open wkentaro/conque.vim/autoload/conque_term/conque_screen.py/ConqueScreen.get_top