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Prefer using empty rather than size comparisons.

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This commit is contained in:
Bruce Mitchener 2018-11-27 21:42:04 +07:00
parent a83097d5cc
commit e570940662
56 changed files with 104 additions and 104 deletions
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2
src/muz/rel/dl_finite_product_relation.cpp
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@ -487,7 +487,7 @@ namespace datalog {
res->init(*res_table, joined_orelations, true);
if(m_tr_table_joined_cols.size()) {
if(!m_tr_table_joined_cols.empty()) {
//There were some shared variables between the table and the relation part.
//We enforce those equalities here.
if(!m_filter_tr_identities) {

2
src/muz/rel/dl_sieve_relation.h
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@ -170,7 +170,7 @@ namespace datalog {
SASSERT(is_inner_col(idx));
return m_sig2inner[idx];
}
bool no_sieved_columns() const { return m_ignored_cols.size()==0; }
bool no_sieved_columns() const { return m_ignored_cols.empty(); }
bool no_inner_columns() const { return m_ignored_cols.size()==get_signature().size(); }
relation_base & get_inner() { return *m_inner; }

2
src/muz/rel/dl_sparse_table.cpp
View file

@ -1216,7 +1216,7 @@ namespace datalog {
verbose_action _va("filter_by_negation");
if (m_cols1.size() == 0) {
if (m_cols1.empty()) {
if (!neg.empty()) {
tgt.reset();
}

2
src/muz/rel/dl_sparse_table.h
View file

@ -72,7 +72,7 @@ namespace datalog {
~sparse_table_plugin() override;
bool can_handle_signature(const table_signature & s) override
{ return s.size()>0; }
{ return !s.empty(); }
table_base * mk_empty(const table_signature & s) override;
sparse_table * mk_clone(const sparse_table & t);