buffered input

[Steven Schveighoffer]

On Sun, 06 Feb 2011 10:25:15 -0500, Andrei Alexandrescu  
<SeeWebsiteForEmail at erdani.org> wrote:

> How does the stream decide between 1 and 2? Clearly it's undesirable to  
> grow the buffer too much and it's also undesirable to copy too much  
> data. A simple approach is to establish a bound on losses, for example  
> copy data only if size to copy is < 5% of the entire buffer.

I think also, you should test to see if appending will copy the data  
anyways (i.e. reallocate).  We may need to add a runtime function for this.

-Steve