required修飾子のサンプルを追加 (#5)

tsuna-can-se · May 5, 2024 · b165b4f · b165b4f
1 parent f09e68b
commit b165b4f
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Showing 4 changed files with 43 additions and 2 deletions.
diff --git a/text/10/ConstructorSample/Book1.cs b/text/10/ConstructorSample/Book1.cs
@@ -0,0 +1,19 @@
+namespace ConstructorSample;
+
+public class Book1
+{
+    public Book1(string title, string author)
+    {
+        this.Title = title;
+        this.Author = author;
+    }
+
+    public string Title { get; set; }
+
+    public string Author { get; set; }
+
+    public override string ToString()
+    {
+        return $"Title:{this.Title}, Author:{this.Author}";
+    }
+}
diff --git a/text/10/ConstructorSample/Book2.cs b/text/10/ConstructorSample/Book2.cs
@@ -0,0 +1,13 @@
+namespace ConstructorSample;
+
+public class Book2
+{
+    public required string Title { get; set; }
+
+    public required string Author { get; set; }
+
+    public override string ToString()
+    {
+        return $"Title:{this.Title}, Author:{this.Author}";
+    }
+}
diff --git a/text/10/ConstructorSample/Program.cs b/text/10/ConstructorSample/Program.cs
@@ -13,3 +13,12 @@
 
 Console.WriteLine(p0_1);
 Console.WriteLine(p1_2);
+
+Book1 book1 = new Book1("Visual Studioの本", "たろう");
+Book2 book2 = new Book2() { Title = "C#の本", Author = "はなこ" };
+
+// コンパイルエラーになる例
+// Book2 book2 = new Book2() { Title = "C#の本" };
+
+Console.WriteLine(book1);
+Console.WriteLine(book2);
diff --git a/text/TextSample.sln b/text/TextSample.sln
@@ -193,9 +193,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AsyncMain", "17\AsyncMain\A
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AsyncMainWithTopLevelStatement", "17\AsyncMainWithTopLevelStatement\AsyncMainWithTopLevelStatement.csproj", "{D32CE6DF-FD50-4161-9419-91E5E811EA27}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SwitchExpression", "08\SwitchExpression\SwitchExpression.csproj", "{923ED07E-2BD7-43BD-949D-44C1B6F1E332}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SwitchExpression", "08\SwitchExpression\SwitchExpression.csproj", "{923ED07E-2BD7-43BD-949D-44C1B6F1E332}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PrimaryConstructor", "14\PrimaryConstructor\PrimaryConstructor.csproj", "{DC909BD1-3684-4F16-BB2B-6210B8FAEB26}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PrimaryConstructor", "14\PrimaryConstructor\PrimaryConstructor.csproj", "{DC909BD1-3684-4F16-BB2B-6210B8FAEB26}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution