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Ask for forgiveness, not for permission (yasoob#175)
References: - https://docs.python.org/3/glossary.html#term-eafp - https://blogs.msdn.microsoft.com/pythonengineering/2016/06/29/idiomatic-python-eafp-versus-lbyl/ - https://docs.quantifiedcode.com/python-anti-patterns/readability/asking_for_permission_instead_of_forgiveness_when_working_with_files.html - https://jeffknupp.com/blog/2013/02/06/write-cleaner-python-use-exceptions/
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‎function_caching.rst‎

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Original file line numberDiff line numberDiff line change
@@ -52,9 +52,9 @@ is a generic cache:
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memo = {}
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@wraps(function)
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def wrapper(*args):
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if args in memo:
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try:
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return memo[args]
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else:
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except KeyError:
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rv = function(*args)
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memo[args] = rv
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return rv

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