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Add const qualifiers to comparison operators and update iterator equality checks in various classes

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This commit is contained in:
Nikolaj Bjorner 2024-09-23 11:45:11 +01:00
parent a62fede64b
commit 4b4a28239f
4 changed files with 19 additions and 26 deletions
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16
src/muz/rel/dl_base.h
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@ -1113,7 +1113,7 @@ namespace datalog {
virtual row_interface & operator*() = 0;
virtual void operator++() = 0;
virtual bool operator==(const iterator_core & it) {
virtual bool operator==(const iterator_core & it) const {
//we worry about the equality operator only because of checking
//the equality with the end() iterator
return is_finished() && it.is_finished();
@ -1142,7 +1142,7 @@ namespace datalog {
virtual table_element operator*() = 0;
virtual void operator++() = 0;
virtual bool operator==(const row_iterator_core & it) {
virtual bool operator==(const row_iterator_core & it) const {
//we worry about the equality operator only because of checking
//the equality with the end() iterator
return is_finished() && it.is_finished();
@ -1169,10 +1169,8 @@ namespace datalog {
{ return &(*(*m_core)); }
iterator & operator++()
{ ++(*m_core); return *this; }
bool operator==(const iterator & it)
{ return (*m_core)==(*it.m_core); }
bool operator!=(const iterator & it)
{ return !operator==(it); }
bool operator==(const iterator & it) const { return (*m_core)==(*it.m_core); }
bool operator!=(const iterator & it) const { return !operator==(it); }
};
class row_iterator {
@ -1187,10 +1185,8 @@ namespace datalog {
{ return *(*m_core); }
row_iterator & operator++()
{ ++(*m_core); return *this; }
bool operator==(const row_iterator & it)
{ return (*m_core)==(*it.m_core); }
bool operator!=(const row_iterator & it)
{ return !operator==(it); }
bool operator==(const row_iterator & it) const { return (*m_core)==(*it.m_core); }
bool operator!=(const row_iterator & it) const { return !operator==(it); }
};
virtual iterator begin() const = 0;