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Remove generated Option type for total functions #4741

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Remove generated Option type for total functions #4741

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3 changes: 2 additions & 1 deletion pyk/src/pyk/k2lean4/k2lean4.py
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Original file line number Diff line number Diff line change
Expand Up @@ -219,12 +219,13 @@ def _transform_func(self, func: str) -> Axiom:
sort_params = [var.name for var in decl.symbol.vars]
param_sorts = [sort.name for sort in decl.param_sorts]
sort = decl.sort.name
option_type = '' if 'total' in decl.attrs_by_key else 'Option '

binders: list[Binder] = []
if sort_params:
binders.append(ImplBinder(sort_params, Term('Type')))
binders.extend(ExplBinder((f'x{i}',), Term(sort)) for i, sort in enumerate(param_sorts))
return Axiom(ident, Signature(binders, Term(f'Option {sort}')))
return Axiom(ident, Signature(binders, Term(f'{option_type}{sort}')))


def _param_sorts(decl: SymbolDecl) -> list[str]:
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