On 8/25/10 14:39 PDT, Steve Schveighoffer wrote:
----- Original Message ----
From: Andrei Alexandrescu<[email protected]>
To: Discuss the phobos library for D<[email protected]>
Sent: Wed, August 25, 2010 5:36:24 PM
Subject: Re: [phobos] I think we need to make an emergency release
I needed Appender to be a reference type for std.format and std.stdio.
The point is to be able to compose a complex stream read into a sequence
of simpler reads. This is possible if you use one Appender throughout,
but I don't see why preclude people from appending output to their own
strings. It's not a difficult to implement feature (my convoluted code
notwithstanding), and it's useful. Why decide to not provide it?
It is a reference type. There's only one pointer in the struct, that points to
the GC-allocated private Data struct. Or maybe I didn't understand you?
I know it is a reference type (I was just explaining the change I
introduced). The issue with your appender is that it makes it impossible
for a user to append to an existing string and have the change reflected
at all times in the string.
Andrei
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