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[gnc-commodity.cpp] std::accumulate in gnc_commodity_table_get_size

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This commit is contained in:
Christopher Lam 2024-08-26 08:11:59 +08:00
parent 5c87fba08d
commit 044fbcdaec
1 changed files with 4 additions and 22 deletions
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26
libgnucash/engine/gnc-commodity.cpp
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@ -1663,33 +1663,15 @@ gnc_commodity_obtain_twin (const gnc_commodity *from, QofBook *book)
* get the size of the commodity table
********************************************************************/
static void
count_coms (const std::string& key, gpointer value, gpointer user_data)
{
auto& tbl = ((gnc_commodity_namespace*)value)->cm_table;
guint *count = (guint*)user_data;
if (key == GNC_COMMODITY_NS_CURRENCY)
{
/* don't count default commodities */
return;
}
if (!value) return;
*count += tbl.size();
}
guint
gnc_commodity_table_get_size(const gnc_commodity_table* tbl)
{
guint count = 0;
g_return_val_if_fail(tbl, 0);
std::for_each (tbl->ns_table.begin(), tbl->ns_table.end(),
[&count](auto& str_ns){ count_coms (str_ns.first, str_ns.second, &count); });
return count;
return std::accumulate (tbl->ns_table.begin(), tbl->ns_table.end(), 0,
[](guint acc, const auto& str_ns)
{ return str_ns.first == GNC_COMMODITY_NS_CURRENCY ? acc
: acc + str_ns.second->cm_table.size(); });
}
/********************************************************************