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Add redeem and redeemWith#3146

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travisbrown merged 7 commits into
typelevel:masterfrom
travisbrown:topic/add-redeem
Nov 14, 2019
Merged

Add redeem and redeemWith#3146
travisbrown merged 7 commits into
typelevel:masterfrom
travisbrown:topic/add-redeem

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@travisbrown

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This PR includes @alexandru's first commit from #2237 but removes the EitherT enhancements and focuses on the part that fixes #2161 (new redeem and redeemWith methods).

See typelevel/cats-effect#191 for additional discussion.

I still think we should try to get the EitherT improvements merged, but redeem seems like a higher priority for 2.1.0. I've also reverted some other changes in the original commit in order to preserve binary compatibility.

Note that I've moved redeem from MonadError to ApplicativeError and have added syntax and syntax tests.

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codecov-io commented Nov 13, 2019

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Codecov Report

Merging #3146 into master will decrease coverage by 0.02%.
The diff coverage is 84.84%.

Impacted file tree graph

@@            Coverage Diff             @@
##           master    #3146      +/-   ##
==========================================
- Coverage   93.28%   93.25%   -0.03%     
==========================================
  Files         376      376              
  Lines        7323     7343      +20     
  Branches      195      186       -9     
==========================================
+ Hits         6831     6848      +17     
- Misses        492      495       +3
Flag Coverage Δ
#scala_version_212 93.58% <84.84%> (-0.04%) ⬇️
#scala_version_213 90.9% <84.84%> (-0.05%) ⬇️
Impacted Files Coverage Δ
core/src/main/scala/cats/syntax/monadError.scala 88.88% <0%> (-11.12%) ⬇️
.../src/main/scala/cats/syntax/applicativeError.scala 94.44% <0%> (-5.56%) ⬇️
core/src/main/scala/cats/instances/either.scala 100% <100%> (ø) ⬆️
core/src/main/scala/cats/ApplicativeError.scala 100% <100%> (ø) ⬆️
...n/scala/cats/laws/discipline/MonadErrorTests.scala 100% <100%> (ø) ⬆️
core/src/main/scala/cats/instances/option.scala 98.27% <100%> (+0.12%) ⬆️
...a/cats/laws/discipline/ApplicativeErrorTests.scala 100% <100%> (ø) ⬆️
laws/src/main/scala/cats/laws/MonadErrorLaws.scala 100% <100%> (ø) ⬆️
...rc/main/scala/cats/laws/ApplicativeErrorLaws.scala 100% <100%> (ø) ⬆️
core/src/main/scala/cats/MonadError.scala 100% <100%> (ø) ⬆️
... and 2 more

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@LukaJCB LukaJCB left a comment

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LGTM, thanks! :)

@rossabaker rossabaker left a comment

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Delighted to see this one arrive.

@travisbrown
travisbrown merged commit 53a0f59 into typelevel:master Nov 14, 2019
gagandeepkalra added a commit to gagandeepkalra/cats that referenced this pull request Mar 8, 2020
travisbrown pushed a commit that referenced this pull request Mar 11, 2020
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Proposal: MonadError.transformWith

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