From 9b77b9f7a3c0c127f648f724c08858167d50c708 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ricardo=20Fern=C3=A1ndez=20Serrata?=
 <76864299+Rudxain@users.noreply.github.com>
Date: Thu, 14 Mar 2024 14:29:28 -0400
Subject: [PATCH] fix "\n" conversion in helpers.py

---
 src/helpers.py | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/src/helpers.py b/src/helpers.py
index ea441b3..5697e7a 100644
--- a/src/helpers.py
+++ b/src/helpers.py
@@ -31,22 +31,21 @@ def remove_all(l: list, x):
     return l
 
 def filter_str(s:str):
+    """
+    Remove 1st and last chars, and
+    replace line-feed literals with actual line-feeds.
+    """
     res = ""
     i = 1
     while i < len(s) - 1:
-        if s[i] == '\\':
-            if s[i + 1] == 'n':
-                res += '\n'
-                i += 1
+        if s[i] == '\\' and s[i + 1] == 'n':
+            res += '\n'
+            i += 2
         else:
             res += s[i]
         i += 1
     return res
 
-# filter_str: Final[Callable[[str], str]] = lambda s: s[1:-1]
-"""Remove 1st and last chars from a `str`."""
-
-
 def precedence(op: str):
     """
     Get precedence of basic arithmetic operators (+ - * /).