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fix "\n" conversion in filter_str #73

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merged 2 commits into from
Mar 14, 2024
Merged

fix "\n" conversion in filter_str #73

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9b77b9f
fix "\n" conversion in helpers.py
Rudxain Mar 14, 2024
065b38b
rewrite `filter_str` in functional-style
Rudxain Mar 14, 2024
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20 changes: 5 additions & 15 deletions src/helpers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,21 +31,11 @@ def remove_all(l: list, x):
return l

def filter_str(s:str):
res = ""
i = 1
while i < len(s) - 1:
if s[i] == '\\':
if s[i + 1] == 'n':
res += '\n'
i += 1
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`."""

"""
Remove 1st and last chars, and
replace line-feed literals with actual line-feeds.
"""
return s[1:-1].replace("\\n", "\n")

def precedence(op: str):
"""
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