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− | + | '''const''' is a [[C]] [[keyword - C|keyword]] and a [[type qualifier - C|type qualifier]] that [[variable declaration - C|declares]] an object to be nonmodifiable. The const keyword can only appear once in a [[variable declaration - C|declaration]]. Objects declared with <code>const</code> in their declaration must not be assigned to a value during the execution of a program. | |
− | '''const''' is a [[C]] | ||
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The main purpose of const-qualified objects is to allow compilers to place such values in read-only memory. Additionally const-qualified objects might allow compilers to perform some additional consistency checks and possibly warn about invalid uses. | The main purpose of const-qualified objects is to allow compilers to place such values in read-only memory. Additionally const-qualified objects might allow compilers to perform some additional consistency checks and possibly warn about invalid uses. |