回答編集履歴
1
コード修正
test
CHANGED
|
@@ -2,11 +2,11 @@
|
|
|
2
2
|
|
|
3
3
|
```C#
|
|
4
4
|
|
|
5
|
-
foreach(var
|
|
5
|
+
foreach(var found in listB.SelectMany(b => b.listC, (classB, classC) => (classB, classC))
|
|
6
6
|
|
|
7
|
-
.Where(bc => bc.classC == knownClassC)
|
|
7
|
+
.Where(bc => bc.classC == knownClassC)
|
|
8
8
|
|
|
9
|
-
.Select(bc => bc.classB)
|
|
9
|
+
.Select(bc => bc.classB))
|
|
10
10
|
|
|
11
11
|
{
|
|
12
12
|
|
|
@@ -22,11 +22,13 @@
|
|
|
22
22
|
|
|
23
23
|
```C#
|
|
24
24
|
|
|
25
|
-
var
|
|
25
|
+
var found = listB.SelectMany(b => b.listC, (classB, classC) => (classB, classC))
|
|
26
26
|
|
|
27
|
-
|
|
27
|
+
.Where(bc => bc.classC == knownClassC)
|
|
28
28
|
|
|
29
|
-
|
|
29
|
+
.Select(bc => bc.classB)
|
|
30
|
+
|
|
31
|
+
.First();
|
|
30
32
|
|
|
31
33
|
```
|
|
32
34
|
|