[Issue 4287] opOpAssign!("~=") for std.array.Appender

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http://d.puremagic.com/issues/show_bug.cgi?id=4287



--- Comment #7 from bearophile_hugs at eml.cc 2013-02-03 16:03:05 PST ---
(In reply to comment #5)

> Why was opOpAssign in that pull implemented with returning the 'this'
> reference? I saw this in TDPL too, but I don't see the benefit of having this
> compile:
> 
> (foo ~= 1) ~= 1;

Sometimes I like the assignment to return the value, to write:

a = b = c;

But I think the append doesn't need to return a value.

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