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59 lines
1.5 KiB
Python
59 lines
1.5 KiB
Python
# Copyright 2026, Kay Hayen, mailto:kay.hayen@gmail.com find license text at end of file
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def someFunctionThatReturnsDeletedValueViaMaxtrixMult():
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class C:
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def __matmul__(self, other):
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nonlocal a
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del a
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c = C()
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a = 1
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c @ 1
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return a
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try:
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someFunctionThatReturnsDeletedValueViaMaxtrixMult()
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except UnboundLocalError:
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print("OK, object matrix mult correctly deleted an item.")
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else:
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print("Ouch.!")
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def someFunctionThatReturnsDeletedValueViaInplaceMaxtrixMult():
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class C:
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def __imatmul__(self, other):
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nonlocal a
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del a
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c = C()
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a = 1
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c @= 1
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return a
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try:
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someFunctionThatReturnsDeletedValueViaInplaceMaxtrixMult()
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except UnboundLocalError:
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print("OK, object inplace matrix mult correctly deleted an item.")
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else:
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print("Ouch.!")
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# Python tests originally created or extracted from other peoples work. The
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# parts were too small to be protected.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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