14 lines
317 B
Python
14 lines
317 B
Python
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#!/usr/bin/env python3
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# -*- encoding: utf-8 -*-
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from typing import Collection, Generator, TypeVar
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T = TypeVar('T')
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def flatten_generator(list_of_lists: Collection[Collection[T]]) -> Generator[T, None, None]:
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yield from []
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for sublist in list_of_lists:
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for item in sublist:
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yield item
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