Root variables in case specification #119
Merged
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This PR basically changes the type of symbolic case specifications from
Clause.t
toVar.t → Var.t → Clause.t
(=type case_spec
).This is required to isolate the dealing with constraint variables in
under_specifications
in one function (SymbolicUtility.add_spec
), as required for #116.It allows a natural case specification
noop
(=Clause.eq
) which avoids bugs like #115