BLI: add Map.is_empty() method
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7acc8a5a92
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@ -415,6 +415,14 @@ class Map {
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return m_array.slots_set();
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}
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/**
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* Returns true if there are no elements in the map.
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*/
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bool is_empty() const
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{
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return this->size() == 0;
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}
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/**
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* Calls the given function for each key-value-pair.
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*/
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@ -9,16 +9,20 @@ TEST(map, DefaultConstructor)
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{
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IntFloatMap map;
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EXPECT_EQ(map.size(), 0);
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EXPECT_TRUE(map.is_empty());
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}
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TEST(map, AddIncreasesSize)
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{
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IntFloatMap map;
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EXPECT_EQ(map.size(), 0);
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EXPECT_TRUE(map.is_empty());
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map.add(2, 5.0f);
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EXPECT_EQ(map.size(), 1);
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EXPECT_FALSE(map.is_empty());
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map.add(6, 2.0f);
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EXPECT_EQ(map.size(), 2);
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EXPECT_FALSE(map.is_empty());
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}
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TEST(map, Contains)
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