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Documentation: Add section about curly braces to CodingStyle.md
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sideshowbarker
2024-07-18 02:13:10 +09:00
Author: https://github.com/linusg Commit: https://github.com/SerenityOS/serenity/commit/8750e1d080 Pull-request: https://github.com/SerenityOS/serenity/pull/16865 Reviewed-by: https://github.com/nico ✅
@ -683,3 +683,72 @@ size_t mask_length = (size_t)((u8)-1) + 1;
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// This should be reinterpret_cast.
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return (u8 const*)string.characters_without_null_termination();
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```
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### Omission of curly braces from statement blocks
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Curly braces may only be omitted from `if`/`else`/`for`/`while`/etc. statement blocks if the body is a single line.
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Additionally, if any body of a connected if/else statement requires curly braces according to this rule, all of them do.
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###### Right:
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```cpp
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if (condition)
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foo();
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```
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```cpp
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if (condition) {
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foo();
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bar();
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}
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```
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```cpp
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if (condition) {
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foo();
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} else if (condition) {
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bar();
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baz();
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} else {
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qux();
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}
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```
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```cpp
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for (size_t i = i; condition; ++i) {
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if (other_condition)
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foo();
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}
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```
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##### OK:
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```cpp
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if (condition) {
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foo();
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}
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```
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###### Wrong:
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```cpp
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if (condition)
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// There is a comment here.
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foo();
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```
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```cpp
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if (condition)
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foo();
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else {
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bar();
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baz();
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} else
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qux();
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```
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```cpp
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for (size_t i = i; condition; ++i)
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if (other_condition)
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foo();
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```
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