haystack

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---
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features:
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  - |
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    Add `is_greedy` argument to `@component` decorator.
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    This flag will change the behaviour of `Component`s with inputs that have a `Variadic` type
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    when running inside a `Pipeline`.
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    Variadic `Component`s that are marked as greedy will run as soon as they receive their first input.
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    If not marked as greedy instead they'll wait as long as possible before running to make sure they
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    receive as many inputs as possible from their senders.
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    It will be ignored for all other `Component`s even if set explicitly.
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