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Leaving Parts Blank in a for loop. (#30479)

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This commit is contained in:
AKASH JAIN
2018-12-17 22:36:38 +05:30
committed by Christopher McCormack
parent 8ac6600a23
commit 4fc41ac133
1 changed files with 5 additions and 1 deletions
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6
guide/english/c/for/index.md
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@ -16,7 +16,6 @@ for ( initialization; condition; update ) {
statement(s); statement(s);
} }
``` ```
The `for` loop consists of 3 sections: The `for` loop consists of 3 sections:
1. The initialization section (start value) 1. The initialization section (start value)
2. Condition (stop value) 2. Condition (stop value)
@ -24,6 +23,11 @@ The `for` loop consists of 3 sections:
The initialization statement is executed only once. Then, the condition is evaluated. If the condition is false (0), the `for` loop is terminated. But if the condition is true (nonzero), code inside the block of the `for` loop is executed. Finally, the update expression is executed. This process repeats until the condition is false. The initialization statement is executed only once. Then, the condition is evaluated. If the condition is false (0), the `for` loop is terminated. But if the condition is true (nonzero), code inside the block of the `for` loop is executed. Finally, the update expression is executed. This process repeats until the condition is false.
You can leave any of the three field blank:
- If you leave initialization blank, then there is no initialization phase
- If you leave update blank, then there is no update phase
- If you leave the condition blank, then practically it becomes an infinite loop unless you break inside loop
The `for` loop is commonly used when the number of iterations is known. The `for` loop is commonly used when the number of iterations is known.
#### Example #### Example