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30 lines
396 B
Markdown
30 lines
396 B
Markdown
# is-pull-stream
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check what sort of pull-stream a thing is.
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## api
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### isSource (stream)
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return true if stream is a source.
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### isSink (stream)
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return true if stream is a sink.
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### isDuplex (stream)
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return true if stream is a duplex steam.
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### through
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a through stream is a sink that returns a source,
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so don't know if it's not a sink until you pass a source to it.
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## License
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MIT
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