On May 16, 2012, at 6:52 AM, Walter Bright <[email protected]> wrote:
> On 5/15/2012 4:43 PM, Sean Kelly wrote: >> One thing I'd like in a buffered input API is a way to perform transactional >> reads such that if the full read can't be performed, the read state remains >> unchanged. The best you can do with most APIs is to check for a desired >> length, but what I'd I don't want to read until a full line is available, and >> I don't know the exact length? Typically, you end up having to double >> buffer, which stinks. > > std.stdio.byLine() That was just an example. What if I want to do a formatted read and I'm reading from a file that someone else is writing to? I don't want to block or get a partial result and an EOF that needs to be reset.
