ui, api: switch to the quicker-building microlens

This may not make much difference since dependencies brick and
servant-swagger still depend on lens, but that might change.

hledger-api/future-package.yaml

@@ -159,7 +159,7 @@ executables:
       - Decimal
       - docopt
       - either
-      - lens
+      - microlens        >= 0.3.5.1 && < 0.5
       - safe
       - servant-server
       - servant-swagger

hledger-api/hledger-api.cabal

@@ -48,7 +48,7 @@ executable hledger-api
     , Decimal
     , docopt
     , either
-    , lens
+    , microlens >= 0.3.5.1 && < 0.5
     , safe
     , servant-server
     , servant-swagger

hledger-api/hledger-api.hs

@@ -11,7 +11,7 @@
 
 module Main where
 
-import           Control.Lens ((&), (.~), (?~))
+import           Lens.Micro ((&), (.~))
 import           Control.Monad
 import           Data.Aeson
 import qualified Data.ByteString.Lazy.Char8 as BL8
@@ -64,8 +64,8 @@ swaggerSpec :: Swagger
 swaggerSpec = toSwagger (Proxy :: Proxy HledgerApi)
   & info.infoTitle   .~ "hledger API"
   & info.infoVersion .~ pack version
-  & info.infoDescription ?~ "This is the API provided by hledger-api for reading hledger data"
+  & info.infoDescription .~ Just "This is the API provided by hledger-api for reading hledger data"
-  & info.infoLicense ?~ License "GPLv3+" (Nothing)
+  & info.infoLicense .~ Just (License "GPLv3+" (Nothing))
 
 main :: IO ()
 main = do
@@ -196,7 +196,7 @@ instance ToSchema Decimal
    where
      schema = mempty
        & schemaType .~ SwaggerNumber
-       & schemaExample ?~ toJSON (100 :: Decimal)
+       & schemaExample .~ Just (toJSON (100 :: Decimal))
 instance ToSchema Amount
 instance ToSchema AmountStyle
 instance ToSchema Side

hledger-ui/Hledger/UI/AccountsScreen.hs

@@ -10,7 +10,7 @@ module Hledger.UI.AccountsScreen
  )
 where
 
-import Control.Lens ((^.))
+import Lens.Micro ((^.))
 -- import Control.Monad
 import Control.Monad.IO.Class (liftIO)
 -- import Data.Default

hledger-ui/Hledger/UI/ErrorScreen.hs

@@ -6,7 +6,7 @@ module Hledger.UI.ErrorScreen
  (screen)
 where
 
--- import Control.Lens ((^.))
+-- import Lens.Micro ((^.))
 import Control.Monad.IO.Class (liftIO)
 import Data.Monoid
 -- import Data.Maybe

hledger-ui/Hledger/UI/Main.hs

@@ -10,7 +10,7 @@ Released under GPL version 3 or later.
 module Hledger.UI.Main where
 
 -- import Control.Applicative
--- import Control.Lens ((^.))
+-- import Lens.Micro ((^.))
 import Control.Monad
 -- import Control.Monad.IO.Class (liftIO)
 -- import Data.Default

hledger-ui/Hledger/UI/RegisterScreen.hs

@@ -8,7 +8,7 @@ module Hledger.UI.RegisterScreen
  )
 where
 
-import Control.Lens ((^.))
+import Lens.Micro ((^.))
 import Control.Monad.IO.Class (liftIO)
 import Data.List
 import Data.List.Split (splitOn)

hledger-ui/Hledger/UI/TransactionScreen.hs

@@ -7,7 +7,7 @@ module Hledger.UI.TransactionScreen
  )
 where
 
--- import Control.Lens ((^.))
+-- import Lens.Micro ((^.))
 import Control.Monad.IO.Class (liftIO)
 -- import Data.List
 -- import Data.List.Split (splitOn)

hledger-ui/Hledger/UI/UIUtils.hs

@@ -18,7 +18,7 @@ module Hledger.UI.UIUtils (
  ,stToggleCleared
  ) where
 
-import Control.Lens ((^.))
+import Lens.Micro ((^.))
 -- import Control.Monad
 -- import Control.Monad.IO.Class
 -- import Data.Default

hledger-ui/future-package.yaml

@@ -75,7 +75,7 @@ executables:
       - data-default
       - filepath
       - HUnit
-      - lens >= 4.12.3 && < 4.14
+      - microlens >= 0.3.5.1 && < 0.5
       - safe >= 0.2
       - split >= 0.1 && < 0.3
       - transformers

hledger-ui/hledger-ui.cabal

@@ -66,7 +66,7 @@ executable hledger-ui
     , data-default
     , filepath
     , HUnit
-    , lens >= 4.12.3 && < 4.14
+    , microlens >= 0.3.5.1 && < 0.5
     , safe >= 0.2
     , split >= 0.1 && < 0.3
     , transformers