Comments (2)
x1-
commented on August 19, 2024
What version of cats-core do you use?
When I used 1.0.0-MF , got the same error.
But, I use 1.0.0 , the error does not occur.
libraryDependencies ++= Seq(
"org.typelevel" %% "cats-core" % "1.0.0-MF",
"org.scalatest" %% "scalatest" % "3.0.1" % "test"
)
not good.
↓
libraryDependencies ++= Seq(
"org.typelevel" %% "cats-core" % "1.0.0",
"org.scalatest" %% "scalatest" % "3.0.1" % "test"
)
good.
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noelwelsh
commented on August 19, 2024
All code is compiled before the book is generated so almost surely a version issue. (Current source uses Cats 2 FWIW.)
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Related Issues (20)
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