From 75263fd14f5d10312759c45acb1142590aa4ef32 Mon Sep 17 00:00:00 2001
From: Evgenii Akentev <i@ak3n.com>
Date: Sun, 23 Jul 2023 19:18:22 +0400
Subject: [PATCH] Add proper description.

---
 CHANGELOG.md                       |  4 ++--
 line-indexed-cursor.cabal          |  3 ++-
 src/System/IO/LineIndexedCursor.hs |  2 +-
 test/Main.hs                       | 26 +++++++++++++-------------
 4 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58eae78..14dee2e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,5 @@
-# Revision history for line-indexed-file-cursor
+# Revision history for line-indexed-cursor
 
-## 0.1.0.0 -- YYYY-mm-dd
+## 0.1.0.0 -- 2023-08-23
 
 * First version. Released on an unsuspecting world.
diff --git a/line-indexed-cursor.cabal b/line-indexed-cursor.cabal
index bdf6791..648c9b2 100644
--- a/line-indexed-cursor.cabal
+++ b/line-indexed-cursor.cabal
@@ -1,6 +1,8 @@
 cabal-version:      3.0
 name:               line-indexed-cursor
 version:            0.1.0.0
+synopsis:           Line-indexed file reader.
+description:        Lazily builds the index with the line numbers while reading the file making it possible to rewind to them quickly later.
 license:            MIT
 license-file:       LICENSE
 author:             Evgenii Akentev
@@ -15,7 +17,6 @@ common warnings
       -Wincomplete-record-updates -Wredundant-constraints -Widentities
       -Wunused-packages -Wmissing-deriving-strategies
 
-
 library
     import:           warnings
     exposed-modules:  System.IO.LineIndexedCursor
diff --git a/src/System/IO/LineIndexedCursor.hs b/src/System/IO/LineIndexedCursor.hs
index 871c23c..f720038 100644
--- a/src/System/IO/LineIndexedCursor.hs
+++ b/src/System/IO/LineIndexedCursor.hs
@@ -21,7 +21,7 @@ module System.IO.LineIndexedCursor
 import Data.Maybe (fromMaybe)
 import qualified Data.Array as A
 import Data.ByteString (ByteString, hGetLine)
-import Control.Concurrent.MVar
+import Control.Concurrent.MVar (MVar, newMVar, readMVar, modifyMVar, modifyMVar_)
 import System.IO (Handle, hTell, hSeek, SeekMode(..), hIsEOF)
 
 defaultListCapacity :: Integer
diff --git a/test/Main.hs b/test/Main.hs
index 0d15f26..2546772 100644
--- a/test/Main.hs
+++ b/test/Main.hs
@@ -33,18 +33,6 @@ main = hspec $ do
           l'' <- getCurrentLine c
           l'' `shouldBe` Just "Pellentesque accumsan dolor at nisl pulvinar, ut bibendum diam egestas."
 
-          ln' <- goToLine c 3
-          ln' `shouldBe` 3
-
-          ln'' <- goToLine c 2
-          ln'' `shouldBe` 2
-
-          ln''' <- goToLine c 1
-          ln''' `shouldBe` 1
-
-          ln'''' <- goToLine c 0
-          ln'''' `shouldBe` 0
-
         it "goToLine works" $ \(_, c) -> do
           ln <- goToLine c 10
           ln `shouldBe` 10
@@ -84,7 +72,7 @@ main = hspec $ do
           s <- getCursorState c
           s `shouldBe` [0,57,117,191,244,316,384,429,511,561,616,668,715,761,799,851,907,941,981,1024,1068]
 
-        it "read line, then go to beginning and forth" $ \(_, c) -> do
+        it "read line, then go to the beginning and forth" $ \(_, c) -> do
           cln <- getCurrentLineNumber c
           cln `shouldBe` 0
 
@@ -126,3 +114,15 @@ main = hspec $ do
 
           ln'''' <- goToLine c 10
           ln'''' `shouldBe` 10
+
+          ln''''' <- goToLine c 3
+          ln''''' `shouldBe` 3
+
+          ln'''''' <- goToLine c 2
+          ln'''''' `shouldBe` 2
+
+          ln''''''' <- goToLine c 1
+          ln''''''' `shouldBe` 1
+
+          ln'''''''' <- goToLine c 0
+          ln'''''''' `shouldBe` 0
\ No newline at end of file
-- 
2.34.1