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Catch exceptions by const-reference
Exceptions caught by value incur needless cost in C++, most of them can be caught by const-reference, especially as nearly none are actually used. This could allow compiler generate a slightly more efficient code.
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36 changed files with 45 additions and 45 deletions
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@ -195,7 +195,7 @@ bool test(goal const & g, Predicate & proc) {
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for (unsigned i = 0; i < sz; i++)
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quick_for_each_expr(proc, visited, g.form(i));
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}
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catch (typename Predicate::found) {
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catch (const typename Predicate::found &) {
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return true;
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}
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return false;
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