Advanced Programming Techniques in D/

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Tuples: .tupleof property

Tuples: .tupleof property

Get acquainted with the .tupleof property of tuples.

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.tupleof property

.tupleof represents the members of a type or an object. When applied to a user- defined type, .tupleof provides access to the definitions of the members of that type:

D
import std.stdio;



struct S {

    int number;

    string message;

    double value;

}



void main() {

    foreach (i, MemberType; typeof(S.tupleof)) {

        writefln("Member %s:", i);

        writefln("  type: %s", MemberType.stringof);



        string name = S.tupleof[i].stringof;

        writefln("  name: %s", name);

    }

}

S.tupleof appears in two places in the program. First, the types of the elements are obtained by ...