Advanced Programming Techniques in D/

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alias: Design Flexibility

alias: Design Flexibility

Find out how an alias can be helpful in design flexibility.

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Design flexibility

For flexibility, even fundamental types like int can have aliases:

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D
alias CustomerNumber = int; 

alias CompanyName = string; 

// ...



struct Customer { 

    CustomerNumber number; 

    CompanyName company; 

    // ...

}



void main() {

}

If the users of this struct always type CustomerNumber and CompanyName instead of int and string, then the design can be changed in the future to some ...