回答編集履歴
2
ループのたびにmapを呼ぶのは非効率なので修正
test
CHANGED
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@@ -18,6 +18,8 @@
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18
18
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19
19
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```kotlin
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20
20
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21
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+
val listCodes = dbList.map { it.divisionCode }
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22
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+
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21
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-
val uncontainedKeys = rawMap.keys.filterNot
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23
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+
val uncontainedKeys = rawMap.keys.filterNot(listCodes::contains)
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22
24
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```
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1
質問に合わせてコード修正
test
CHANGED
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@@ -6,7 +6,7 @@
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6
6
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7
7
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```kotlin
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8
8
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9
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-
val uncontainedKeys = rawMap.keys -
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9
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+
val uncontainedKeys = rawMap.keys - dbList.map { it.divisionCode }
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10
10
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11
11
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```
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12
12
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@@ -18,6 +18,6 @@
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18
18
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19
19
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```kotlin
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20
20
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21
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-
val uncontainedKeys = rawMap.keys.filterNot
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21
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+
val uncontainedKeys = rawMap.keys.filterNot { dbList.map { it.divisionCode }.contains(it) }
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22
22
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23
23
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```
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