Comments (5)
@Abhiroop let's name the composable Control.Foldl
compatible scanl
function as scan
and the list compatible scanl function as scanl
. scanl
can just be scan
with id
as the extraction function.
from streamly.
@harendra-kumar Renaming c4f33d7
from streamly.
See also #39
from streamly.
I'm not sure if this is the right place to ask, but why not make streamly streams instances of Foldable
or Traversable
? If equivalent functionality is provided, it seems like providing these instances would solve the compatibility problem.
Edit: Nevermind I see now that Foldable requires a non-monadic fold function
from streamly.
PR #119 adds a document explaining the similarity and differences between Haskell lists and streams.
from streamly.
Related Issues (20)
- Expose scan running functions HOT 1
- Make a concurrent pipe using a fold and a stream
- Introduce a Scanl module
- Fix the haddock and docspec documentation of the Scanl module
- Use strict or lax unicode decoding for paths?
- Make deserialize in Data.Array similar to the one in MutArray
- Change the Step type of Scanr to conform to right fold style
- Make demux and classify consistent
- Make "extract" pure for the new Scanl type
- Change the "final" function of the Scanl type
- Remove the "extract" operation from the Fold type
- Prefix the scanl smart constructors with mk?
- Implement folds using scans
- More changes to the Fold type
- Move the Fold Step module under Scanl, and Stream Step under Scanr
- Fix breakOn/lines in 0.10.x
- Check that newly introduced and internally used array APIs are using IO callbacks
- Add exception handling for scans
- Use a Maybe output in streams instead of an implicit Skip constr ?
- Investigate changing the way folds/scans work for concurrency
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