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This

enum { a = 10, b += 5 };

would be equivalent to:

enum { a = 10, b = 15 };

With the above definition, this:

continue a

would be equivalent to:

b

(and:

continue b

could be an anonymous constant, whose value would be the "next" value, 16
in the example, after b.)

My immediate use for this would be to eliminate the need for dummy
structures of char arrays to define bit field formats in:

https://github.com/wkaras/C-plus-plus-library-bit-fields/blob/master/Bitfield.pdf

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<div dir=3D"ltr"><div>This</div><div><br></div><div>enum { a =3D 10, b +=3D=
 5 };</div><div><br></div><div>would be equivalent to:</div><div><br></div>=
<div>enum { a =3D 10, b =3D 15 };</div><div><br></div><div>With the above d=
efinition, this:</div><div><br></div><div>continue a</div><div><br></div><d=
iv>would be equivalent to:</div><div><br></div><div>b</div><div><br></div><=
div>(and:</div><div><br></div><div>continue b</div><div><br></div><div>coul=
d be an anonymous constant, whose value would be the &quot;next&quot; value=
, 16 in the example, after b.)</div><div><br></div><div>My immediate use fo=
r this would be to eliminate the need for dummy structures of char arrays t=
o define bit field formats in:<br></div><div><br></div><div>https://github.=
com/wkaras/C-plus-plus-library-bit-fields/blob/master/Bitfield.pdf<br></div=
></div>

<p></p>

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om/a/isocpp.org/d/msgid/std-proposals/e7941551-2d30-4a0a-aa76-2cdfe9b50438%=
40isocpp.org?utm_medium=3Demail&utm_source=3Dfooter">https://groups.google.=
com/a/isocpp.org/d/msgid/std-proposals/e7941551-2d30-4a0a-aa76-2cdfe9b50438=
%40isocpp.org</a>.<br />

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