Re: [Haskell-cafe] Using streams to clarify (?) the signature of Data.Text.replace

Which is exactly as it should be: streaming functions should be part of streaming libraries, not a text library.

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Note however that a stream of strict texts is like a generalized Data.Text.Lazy.Text in which you can have effects when producing each chunk, and there's also a result value at the end that is useful for things like dividing the stream. Text-specific functions that worked on such streams (say, divide the stream at a given Char) would belong in a text library, I think. The package streaming-bytestring http://hackage.haskell.org/package/streaming-bytestring does something similar for lazy bytestrings.