Enums provide a way to define sets of named constants from "summary" of C Programming Language by Brian W. Kernighan,Dennis Ritchie
Enums provide a way to define sets of named constants. Instead of having to remember that 0 means "January", 1 means "February", and so on, we can use an enumeration type to give those numbers meaningful names. For example, we might sayenum months { JAN = 1, FEB, MAR, APR, MAY, JUN, JUL, AUG, SEP, OCT, NOV, DEC }; and then we can use "JAN" in place of 1, "FEB" in place of 2, and so on. Not only does this make the program more readable, but it also makes it easier to make changes later on. If we decide to change the numbering of the months, we only have to make the change in one place, where the enumeration is defined. This change will automatically propagate throughout the program. Enums are also helpful in preventing errors. By using named constants instead of literal integers, we reduce the chances of mistyping a number or using the wr...
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