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Introduce can_cast_type for array_typet #2594

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Merged
merged 1 commit into from
Aug 16, 2018
Merged

Introduce can_cast_type for array_typet #2594

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10 changes: 8 additions & 2 deletions src/util/std_types.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1041,6 +1041,12 @@ class array_typet:public type_with_subtypet
}
};

template <>
inline bool can_cast_type<array_typet>(const typet &type)
{
return type.id() == ID_array;
}

/*! \brief Cast a generic typet to an \ref array_typet
*
* This is an unchecked conversion. \a type must be known to be \ref
Expand All @@ -1053,7 +1059,7 @@ class array_typet:public type_with_subtypet
*/
inline const array_typet &to_array_type(const typet &type)
{
PRECONDITION(type.id()==ID_array);
PRECONDITION(can_cast_type<array_typet>(type));
return static_cast<const array_typet &>(type);
}

Expand All @@ -1062,7 +1068,7 @@ inline const array_typet &to_array_type(const typet &type)
*/
inline array_typet &to_array_type(typet &type)
{
PRECONDITION(type.id()==ID_array);
PRECONDITION(can_cast_type<array_typet>(type));
return static_cast<array_typet &>(type);
}

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