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Remove some From instances for TryFromException

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This commit is contained in:
Taylor Fausak 2021-05-10 21:58:20 -04:00
parent 74b833fffb
commit b28f2920fa
2 changed files with 0 additions and 38 deletions
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25
src/lib/Witch/Instances.hs
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@ -25,7 +25,6 @@ import qualified Data.Text as Text
import qualified Data.Text.Encoding as Text
import qualified Data.Text.Lazy as LazyText
import qualified Data.Text.Lazy.Encoding as LazyText
import qualified Data.Typeable as Typeable
import qualified Data.Word as Word
import qualified GHC.Float as Float
import qualified Numeric.Natural as Natural
@ -1080,30 +1079,6 @@ instance From.From
(TryFromException.TryFromException s u)
(TryFromException.TryFromException s t)
-- | Uses 'show'.
instance
( Show s
, Typeable.Typeable s
, Typeable.Typeable t
) => From.From (TryFromException.TryFromException s t) String where
from = show
-- | Converts via 'String'.
instance
( Show s
, Typeable.Typeable s
, Typeable.Typeable t
) => From.From (TryFromException.TryFromException s t) Text.Text where
from = Utility.via @String
-- | Converts via 'String'.
instance
( Show s
, Typeable.Typeable s
, Typeable.Typeable t
) => From.From (TryFromException.TryFromException s t) LazyText.Text where
from = Utility.via @String
fromNonNegativeIntegral
:: (Integral s, Num t) => s -> Either Exception.ArithException t
fromNonNegativeIntegral x =

13
src/test/Main.hs
View File

@ -1641,19 +1641,6 @@ main = Hspec.hspec . Hspec.describe "Witch" $ do
Hspec.describe "From (TryFromException s t0) (TryFromException s t1)" $ do
Hspec.it "needs tests" Hspec.pending
Hspec.describe "From (TryFromException s t) String" $ do
test $ Witch.from (Witch.TryFromException Nothing Nothing :: Witch.TryFromException (Maybe Bool) (Maybe Int)) `Hspec.shouldBe` "TryFromException @(Maybe Bool) @(Maybe Int) Nothing Nothing"
let f = Witch.from @(Witch.TryFromException Bool Int) @String
test $ f (Witch.TryFromException False Nothing) `Hspec.shouldBe` "TryFromException @Bool @Int False Nothing"
Hspec.describe "From (TryFromException s t) Text" $ do
let f = Witch.from @(Witch.TryFromException Bool Int) @Text.Text
test $ f (Witch.TryFromException False Nothing) `Hspec.shouldBe` Text.pack "TryFromException @Bool @Int False Nothing"
Hspec.describe "From (TryFromException s t) LazyText" $ do
let f = Witch.from @(Witch.TryFromException Bool Int) @LazyText.Text
test $ f (Witch.TryFromException False Nothing) `Hspec.shouldBe` LazyText.pack "TryFromException @Bool @Int False Nothing"
test :: Hspec.Example a => a -> Hspec.SpecWith (Hspec.Arg a)
test = Hspec.it ""