[#159] Remove text-format dependency

Also support GHC-8.4.2

.travis.yml

@@ -24,8 +24,8 @@ matrix:
   - ghc: 8.2.2
     env: GHCVER='8.2.2' STACK_YAML="$HOME/build/serokell/universum/stack.yaml"
 
-  - ghc: 8.2.2
-    env: GHCVER='8.2.2' STACK_YAML="$HOME/build/serokell/universum/stack-nightly.yaml"
+  - ghc: 8.4.2
+    env: GHCVER='8.4.2' STACK_YAML="$HOME/build/serokell/universum/stack-$GHCVER.yaml"
 
   - ghc: 8.2.2
     env: GHCVER='8.2.2' STACK_YAML="$HOME/build/serokell/universum/stack-liquid.yaml"

CHANGES.md

@@ -1,3 +1,9 @@
+1.2.0
+=====
+
+* [#159](https://github.com/serokell/universum/issues/159):
+  Remove `text-format` dependency.
+
 1.1.1
 =====
 

README.md

@@ -54,7 +54,7 @@ due to some historical reasons.
 
 This is why we decided to use a better tool. Luckily, _Haskell_ provides us with the ability
 to replace default `Prelude` with an alternative. All we had to do is to implement a
-new basic set of defaults. There already were plenty of [preludes](https://guide.aelve.com/haskell/alternative-preludes-zr69k1hc), 
+new basic set of defaults. There already were plenty of [preludes](https://guide.aelve.com/haskell/alternative-preludes-zr69k1hc),
 so we didn't plan to implement everything from scratch.
 After some long, hot discussions, our team decided to base our custom prelude on
 [`protolude`](https://github.com/sdiehl/protolude). If you're not familiar with it,
@@ -145,8 +145,6 @@ Gotchas [↑](#structure-of-this-tutorial)
   `OverloadedStrings` is enabled – it happens because the compiler doesn't know what
   type to infer for the string. Use `putTextLn` in this case.
 * Since `show` doesn't come from `Show` anymore, you can't write `Show` instances easily.
-  Either use autoderived instances or
-  [`Buildable`](https://github.com/serokell/universum/blob/f2ccf8afd862e37ccd204c0ef9efde48a05c2d29/src/Universum.hs#L144).
 * You can't call some `Foldable` methods over `Maybe` and some other types.
   `Foldable` generalization is useful but
   [potentially error-prone](https://www.reddit.com/r/haskell/comments/60r9hu/proposal_suggest_explicit_type_application_for/).
@@ -217,7 +215,6 @@ Finally, we can move to part describing the new cool features we bring with `uni
 * `ordNub` and `sortNub` are _O(n log n)_ versions of `nub` (which is quadratic)
   and `hashNub` and `unstableNub` are almost _O(n)_ versions of `nub`.
 * `(&)` – reverse application. `x & f & g` instead of `g $ f $ x` is useful sometimes.
-* `pretty` and `prettyL` for converting `Buildable` into `Text` (suggested be used instead of `show`).
 * `whenM`, `unlessM`, `ifM`, `guardM` are available and do what you expect
   them to do (e.g. `whenM (doesFileExist "foo")`).
 * Very generalized version of `concatMapM`, too, is available and does what expected.

src/Universum/String/Conversion.hs

@@ -24,19 +24,15 @@ module Universum.String.Conversion
          -- * Show and read functions
        , readEither
        , show
-       , pretty
-       , prettyL
        ) where
 
 import Data.Bifunctor (first)
 import Data.Either (Either)
 import Data.Function (id, (.))
 import Data.String (String)
-import Data.Text.Buildable (build)
-import Data.Text.Lazy.Builder (toLazyText)
 
 import Universum.Functor ((<$>))
-import Universum.String.Reexport (Buildable, ByteString, IsString, Read, Text, fromString, toStrict)
+import Universum.String.Reexport (ByteString, IsString, Read, Text, fromString)
 
 import qualified Data.ByteString as B
 import qualified Data.ByteString.Lazy as LB
@@ -180,11 +176,3 @@ show x = fromString (Show.show x)
 {-# SPECIALIZE show :: Show.Show  a => a -> ByteString  #-}
 {-# SPECIALIZE show :: Show.Show  a => a -> LByteString  #-}
 {-# SPECIALIZE show :: Show.Show  a => a -> String  #-}
-
--- | Functions to show pretty output for buildable data types.
-pretty :: Buildable a => a -> Text
-pretty = toStrict . prettyL
-
--- | Similar to 'pretty' but for 'LText'.
-prettyL :: Buildable a => a -> LText
-prettyL = toLazyText . build

src/Universum/String/Reexport.hs

@@ -13,15 +13,11 @@ module Universum.String.Reexport
 
          -- * ByteString
        , module Data.ByteString
-
-         -- * Buildable
-       , module Data.Text.Buildable
        ) where
 
 import Data.ByteString (ByteString)
 import Data.String (IsString (..))
 import Data.Text (Text, lines, unlines, unwords, words)
-import Data.Text.Buildable (Buildable)
 import Data.Text.Encoding (decodeUtf8', decodeUtf8With)
 import Data.Text.Encoding.Error (OnDecodeError, OnError, UnicodeException, lenientDecode,
                                  strictDecode)

stack-8.4.2.yaml

@@ -0,0 +1,7 @@
+resolver: nightly-2018-04-28
+
+nix:
+  packages: [binutils, gmp]
+
+extra-deps:
+- tasty-hedgehog-0.2.0.0

stack-nightly.yaml

@@ -1,7 +0,0 @@
-resolver: nightly-2018-02-18
-
-nix:
-  packages: [binutils, gmp]
-
-extra-deps:
-- tasty-hedgehog-0.1.0.2

stack.yaml

@@ -1,4 +1,4 @@
-resolver: lts-10.7
+resolver: lts-11.5
 
 nix:
   shell-file: shell.nix

universum.cabal

@@ -1,5 +1,5 @@
 name:                universum
-version:             1.1.1
+version:             1.2.0
 synopsis:            Custom prelude used in Serokell
 description:         See README.md file for more details.
 homepage:            https://github.com/serokell/universum
@@ -16,6 +16,7 @@ bug-reports:         https://github.com/serokell/universum/issues
 tested-with:         GHC == 7.10.3
                    , GHC == 8.0.2
                    , GHC == 8.2.2
+                   , GHC == 8.4.2
 extra-doc-files:     CHANGES.md
                    , CONTRIBUTING.md
                    , README.md
@@ -82,7 +83,6 @@ library
                      , safe-exceptions
                      , stm
                      , text
-                     , text-format
                      , transformers
                      , type-operators
                      , unordered-containers