Difference between revisions of "Constant"
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A '''constant''' is something that does not change, a fixed value. | A '''constant''' is something that does not change, a fixed value. | ||
Revision as of 10:31, 11 December 2013
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A constant is something that does not change, a fixed value.
Constants are defined in the const section of the program. When some value are constant the compiler can do some optimizations.
Some special constant values are e.g.
- Logical truth values
- Empty pointer value
- Mathematical constants