add warning to hash(::AbsMPolyMultSet)

oscar-system · May 22, 2023 · 7c336c3 · 7c336c3
1 parent a7d55ef
commit 7c336c3
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/Rings/mpoly-localizations.jl b/src/Rings/mpoly-localizations.jl
@@ -534,6 +534,8 @@ function ==(T::AbsMPolyMultSet, U::AbsMPolyMultSet)
 end
 
 function Base.hash(T::AbsMPolyMultSet, h::UInt)
+  @warn """Hashing of multiplicative sets of type AbsMPolyMultSet is badly implemented 
+  and should not be used. Please provide a better implementation for the type $(typeof(T))."""
   b = 0x7ce51a28c47ec5e1 % UInt
   h = hash(typeof(T), h)
   h = hash(ambient_ring(T), h)