A few notes on choosing between Go and D for a quick project

Walter Bright via Digitalmars-d digitalmars-d at puremagic.com
Fri Mar 13 12:19:54 PDT 2015


On 3/13/2015 10:31 AM, Andrei Alexandrescu wrote:
> For example the expression (assuming s is e.g. a string)
>
>    File("/tmp/a").byChunk(4096).joiner.startsWith(s)
>
> opens a file, progressively reads chunks of 4KB, stitches them together at no
> cost, compares against a prefix until it makes a decision, then closes the file
> and returns the result. A putative Go user wouldn't even dream of using
> HasPrefix directly on a stream coming from a file; the whole endeavor would be a
> function that painstakingly takes all of these steps by hand.
>
> We need to take the "disconcerting" out the documentation equation while still
> exposing the power. s1.startsWith(s2) is perfectly apt for two strings, and that
> should be immediately apparent to someone who just needs that.

I suggest putting that snippet in the documentation as an example!



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