replace linkedlists by seqs

3 files changed, 6 insertions, 8 deletions

diff --git a/src/lzsshuffman/lzsshuffmandecoder.nim b/src/lzsshuffman/lzsshuffmandecoder.nim
index cd71914..a307774 100644
--- a/src/lzsshuffman/lzsshuffmandecoder.nim
+++ b/src/lzsshuffman/lzsshuffmandecoder.nim
@@ -14,9 +14,8 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-import lists
 import ../bitio/bitreader
-import ../lzss/listpolyfill, ../lzss/lzssnode, ../lzss/lzsschain
+import ../lzss/lzssnode, ../lzss/lzsschain
 import ../huffman/huffmantree, ../huffman/huffmandecoder
 import lzsshuffmansymbol
 
@@ -26,9 +25,9 @@ proc readChain*(bitReader: BitReader, symbolDecoder, positionDecoder: HuffmanDec
   while not symbol.isEndMarker():
     if byteCursor > maxDataByteLength: raise newException(IOError, "lzss block too long")
     if symbol.isCharacter():
-      chain.append(lzssCharacter(symbol.uint8))
+      chain.add(lzssCharacter(symbol.uint8))
     else:
       let position = positionDecoder.decode(bitReader)
-      chain.append(unpackLzssReference(symbol, position))
+      chain.add(unpackLzssReference(symbol, position))
     (symbol, byteCursor) = (symbolDecoder.decode(bitReader).Symbol, byteCursor + 1)
   chain
diff --git a/src/lzsshuffman/lzsshuffmanencoder.nim b/src/lzsshuffman/lzsshuffmanencoder.nim
index ea89f85..205f464 100644
--- a/src/lzsshuffman/lzsshuffmanencoder.nim
+++ b/src/lzsshuffman/lzsshuffmanencoder.nim
@@ -14,9 +14,8 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-import lists
 import ../bitio/bitwriter
-import ../lzss/listpolyfill, ../lzss/lzssnode, ../lzss/lzsschain, ../lzss/lzssencoder
+import ../lzss/lzssnode, ../lzss/lzsschain, ../lzss/lzssencoder
 import ../huffman/huffmantree, ../huffman/huffmantreebuilder, ../huffman/huffmanencoder
 import lzsshuffmansymbol
 
@@ -24,7 +23,7 @@ proc writeSymbol(bitWriter: BitWriter, encodedSymbol: tuple[bitLength: int, valu
   bitWriter.writeBits(encodedSymbol.bitLength, encodedSymbol.value)
 
 proc writeChain*(lzssChain: LzssChain, symbolEncoder, positionEncoder: HuffmanEncoder[uint16, uint16], bitWriter: BitWriter) =
-  for node in lzssChain.items:
+  for node in lzssChain:
     case node.kind:
       of character:
         bitWriter.writeSymbol(symbolEncoder.encode(node.character))
diff --git a/src/lzsshuffman/lzsshuffmanstats.nim b/src/lzsshuffman/lzsshuffmanstats.nim
index 037ce5f..d5c1f3e 100644
--- a/src/lzsshuffman/lzsshuffmanstats.nim
+++ b/src/lzsshuffman/lzsshuffmanstats.nim
@@ -20,7 +20,7 @@ import lzsshuffmansymbol
 
 proc aggregateStats*(chain: LzssChain): tuple[symbolTable, positionTable: CountTableRef[uint16]] =
   var (symbolTable, positionTable) = (newCountTable[uint16](), newCountTable[uint16]())
-  for node in chain.items:
+  for node in chain:
     case node.kind:
       of character:
         symbolTable.inc(node.character)