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-rw-r--r--src/inventory.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/inventory.cpp b/src/inventory.cpp
index 764d7fee..d346a50b 100644
--- a/src/inventory.cpp
+++ b/src/inventory.cpp
@@ -124,19 +124,19 @@ bool Inventory::contains(Item *item) const
return false;
}
-int Inventory::getFreeSlot()
+int Inventory::getFreeSlot() const
{
Item **i = std::find_if(mItems + 2, mItems + mSize,
std::not1(SlotUsed()));
return (i == mItems + mSize) ? -1 : (i - mItems);
}
-int Inventory::getNumberOfSlotsUsed()
+int Inventory::getNumberOfSlotsUsed() const
{
return count_if(mItems, mItems + mSize, SlotUsed());
}
-int Inventory::getLastUsedSlot()
+int Inventory::getLastUsedSlot() const
{
for (int i = mSize - 1; i >= 0; i--) {
if (SlotUsed()(mItems[i])) {