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Deprecate is_Monoid, is_FreeMonoid, is_FreeAbelianMonoid #37897

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Merged
merged 3 commits into from
May 12, 2024
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Deprecate is_Monoid, is_FreeMonoid, is_FreeAbelianMonoid #37897

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83f9432
src/sage/monoids/monoid.py: Deprecate is_Monoid
mkoeppe Apr 29, 2024
1a87b7c
src/sage/monoids/free_monoid.py: Deprecate is_FreeMonoid
mkoeppe Apr 29, 2024
9fe3e99
src/sage/monoids/free_abelian_monoid.py: Deprecate is_FreeAbelianMonoid
mkoeppe Apr 29, 2024
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src/sage/monoids/monoid.py: Deprecate is_Monoid
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Matthias Koeppe committed Apr 29, 2024
commit 83f9432265cf4a88ec21b62dbaa093c9ad65ff2d
6 changes: 6 additions & 0 deletions src/sage/monoids/monoid.py
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Expand Up @@ -14,6 +14,10 @@ def is_Monoid(x) -> bool:

sage: from sage.monoids.monoid import is_Monoid
sage: is_Monoid(0)
doctest:warning...
DeprecationWarning: the function is_Monoid is deprecated;
use 'isinstance(..., Monoid_class)' instead
See https://github.com/sagemath/sage/issues/37897 for details.
False
sage: is_Monoid(ZZ) # The technical math meaning of monoid has
....: # no bearing whatsoever on the result: it's
Expand All @@ -26,6 +30,8 @@ def is_Monoid(x) -> bool:
sage: is_Monoid(F)
True
"""
from sage.misc.superseded import deprecation
deprecation(37897, "the function is_Monoid is deprecated; use 'isinstance(..., Monoid_class)' instead")
return isinstance(x, Monoid_class)


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