Add EndOFString parsing error

src/parser/parser.nim

@@ -97,6 +97,15 @@ proc `$`*(x: ParserError): string =
       &"""Parsing Error (Character Mismatch Error):
 {original}
 {errSpace}^ Expected '{expected}' but got '{unexpected}'"""
+
+    of endOfStringErr(parser: @parser, index: @index):
+      let original = parser.state.stream
+      let errSpace = " ".repeat(max(0, index))
+
+      &"""Parsing Error (EndOfString Expected):
+{original}
+{errSpace}^ Expected 'EndOfString'"""
+
     else: "ParseError"
 
 proc initParser*(str: string): Parser =
@@ -330,7 +339,9 @@ proc foldBuilder*[T, T2](
 when isMainModule:
   proc getTokens(x: ParserResult): seq[char] =
     x.foldTokens(
-      proc(err: ParserError): seq[char] = @[],
+      proc(err: ParserError): seq[char] =
+        echo err
+        @[],
       proc(xs: seq[Token]): seq[char] = xs.map((x: Token) => x.value),
     )
 
@@ -350,8 +361,8 @@ when isMainModule:
   ]
   assert: "ABC".testParser(andParser) == @['A', 'B', 'C']
 
-  # let newlineParser = @[
-  #   str("ABC"),
-  #   newline
-  # ]
-  # echo initParserResult("ABC").parseSeq(newLineParser)
+  let newlineParser = @[
+    str("ABC"),
+    newline
+  ]
+  echo "ABC".testParser(newlineParser)