Give a hint if a user uses = operator wrong #254
Merged
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This pull request introduces an error hint mechanism to guide users towards correct usage of the
:=
operator when creating new random variables and adds a corresponding test to ensure this functionality works as expected.Error hint mechanism:
src/GraphPPL.jl
: Added an initialization function__init__
to register an error hint forMethodError
whenVariableRef
is used incorrectly, suggesting the use of the:=
operator instead.Testing:
test/model_macro_tests.jl
: Added a test case to verify that the error hint is triggered when aVariableRef
is used incorrectly with the=
operator.