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Documentation: Clarify text about virtual/override/final
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sideshowbarker
2024-07-17 14:28:21 +09:00
Author: https://github.com/awesomekling Commit: https://github.com/SerenityOS/serenity/commit/8f1ba8db4f
1 changed files with 6 additions and 6 deletions
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@ -554,7 +554,7 @@ catdog_widget.on_click = [&] {
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### Overriding Virtual Methods
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The declaration of a virtual method inside a class must be declared with the `virtual` keyword. All subclasses of that class must either specify the `override` keyword when overriding the virtual method or the `final` keyword when overriding the virtual method and requiring that no further subclasses can override it.
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The declaration of a virtual method inside a class must be declared with the `virtual` keyword. All subclasses of that class must also specify either the `override` keyword when overriding the virtual method, or the `final` keyword when overriding the virtual method and requiring that no further subclasses can override it.
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###### Right:
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@ -566,7 +566,7 @@ public:
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class Student : public Person {
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public:
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virtual String description() override { ... }; // This is correct because it only contains the "override" keyword to indicate that the method is overridden.
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virtual String description() override { ... }; // This is correct because it contains both the "virtual" and "override" keywords to indicate that the method is overridden.
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}
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```
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@ -579,7 +579,7 @@ public:
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class Student : public Person {
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public:
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virtual String description() final { ... }; // This is correct because it only contains the "final" keyword to indicate that the method is overridden and that no subclasses of "Student" can override "description".
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virtual String description() final { ... }; // This is correct because it contains both the "override" and "final" keywords to indicate that the method is overridden and that no subclasses of "Student" can override "description".
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}
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```
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@ -594,7 +594,7 @@ public:
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class Student : public Person {
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public:
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String description() override { ... }; // This is incorrect because it uses only the "override" keywords to indicate that the method is virtual. Instead, it should use both the "virtual" and "override" keywords.
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String description() override { ... }; // This is incorrect because it uses only the "override" keyword to indicate that the method is virtual. Instead, it should use both the "virtual" and "override" keywords.
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}
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```
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@ -606,7 +606,7 @@ public:
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class Student : public Person {
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public:
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String description() final { ... }; // This is incorrect because it uses only the "final" keywords to indicate that the method is virtual and final. Instead, it should use both the "virtual" and "final" keywords.
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String description() final { ... }; // This is incorrect because it uses only the "final" keyword to indicate that the method is virtual and final. Instead, it should use both the "virtual" and "final" keywords.
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}
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```
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@ -618,7 +618,7 @@ public:
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class Student : public Person {
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public:
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virtual String description() { ... }; // This is incorrect because it uses the "virtual" keyword to indicate that the method is overridden.
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virtual String description() { ... }; // This is incorrect because it uses only the "virtual" keyword to indicate that the method is overridden.
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}
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```
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