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CLP(ℤ): Unexpected difference between programs and queries #2236

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triska opened this issue Dec 18, 2023 · 1 comment
Closed

CLP(ℤ): Unexpected difference between programs and queries #2236

triska opened this issue Dec 18, 2023 · 1 comment

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@triska
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triska commented Dec 18, 2023

Example program:

:- use_module(library(clpz)).

clpz:monotonic.

p(X) :- X #= 0.

We know get:

?- p(X).
   X = 0, unexpected.
?- X #= 0.
   error(instantiation_error,instantiation_error(unknown(_37),1)). % expected

Why is X #=0 posted as a query different from X #= 0 appearing as a goal in a predicate definition?
mthom added a commit that referenced this issue Mar 2, 2024
@mthom
recompile original terms from compile_clause for term to term expansi…
df41eb1 
…ons (#2236)
@triska
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triska commented Mar 2, 2024

Thank you a lot!

@triska triska closed this as completed Mar 2, 2024
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