From Jason Turner

[stmt.for]

C++20 → C++23 1.7 KB 32 lines
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Archived: C++20 | C++23
Markdown: C++20 | C++23
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  1. tmp/tmp1887j4s8/{from.md → to.md} +6 -23
tmp/tmp1887j4s8/{from.md → to.md} RENAMED
@@ -16,37 +16,20 @@ is equivalent to
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  expression ';'
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  '}'
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  '}'
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  ```
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- except that names declared in the *init-statement* are in the same
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- declarative region as those declared in the *condition*, and except that
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- a `continue` in *statement* (not enclosed in another iteration
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- statement) will execute *expression* before re-evaluating *condition*.
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  [*Note 1*: Thus the first statement specifies initialization for the
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- loop; the condition [[stmt.select]] specifies a test, sequenced before
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- each iteration, such that the loop is exited when the condition becomes
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  `false`; the expression often specifies incrementing that is sequenced
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  after each iteration. — *end note*]
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  Either or both of the *condition* and the *expression* can be omitted. A
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  missing *condition* makes the implied `while` clause equivalent to
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  `while(true)`.
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- If the *init-statement* is a declaration, the scope of the name(s)
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- declared extends to the end of the `for` statement.
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-
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- [*Example 1*:
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-
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- ``` cpp
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- int i = 42;
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- int a[10];
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-
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- for (int i = 0; i < 10; i++)
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- a[i] = i;
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-
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- int j = i; // j = 42
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- ```
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-
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- — *end example*]
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-
 
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  expression ';'
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  '}'
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  '}'
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  ```
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+ except that the *init-statement* is in the same scope as the
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+ *condition*, and except that a `continue` in *statement* (not enclosed
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+ in another iteration statement) will execute *expression* before
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+ re-evaluating *condition*.
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  [*Note 1*: Thus the first statement specifies initialization for the
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+ loop; the condition [[stmt.pre]] specifies a test, sequenced before each
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+ iteration, such that the loop is exited when the condition becomes
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  `false`; the expression often specifies incrementing that is sequenced
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  after each iteration. — *end note*]
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  Either or both of the *condition* and the *expression* can be omitted. A
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  missing *condition* makes the implied `while` clause equivalent to
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  `while(true)`.
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