Why are homepage examples too complicated?
Guillaume Piolat via Digitalmars-d
digitalmars-d at puremagic.com
Thu Oct 13 15:12:42 PDT 2016
On Thursday, 13 October 2016 at 19:06:26 UTC, Karabuta wrote:
> I assume the purpose for those demonstrations are to win the
> interest of the user as to how easy and clean D code can be.
> Then why;
>
> // Round floating point numbers
> import std.algorithm, std.conv, std.functional,
> std.math, std.regex, std.stdio;
>
> alias round = pipe!(to!real, std.math.round, to!string);
> static reFloatingPoint = ctRegex!`[0-9]+\.[0-9]+`;
>
> void main()
> {
> // Replace anything that looks like a real
> // number with the rounded equivalent.
> stdin
> .byLine
> .map!(l => l.replaceAll!(c => c.hit.round)
> (reFloatingPoint))
> .each!writeln;
> }
>
> How is a new visitor supposed to know "!" is for templates and
> not some complicated syntax?
I agree, something friendly and familiar would be called for.
Instead we have weird float-rounding programs.
The goal of such program should be to push the reader to continue
reading by apealing to familiarty. I think this strongly conveys
the message that D is complicated and "not for me".
See also:
https://golang.org/
https://www.rust-lang.org/fr-FR/
https://crystal-lang.org/
https://www.ruby-lang.org/fr/
https://www.python.org/
Do you notice something? The language branded as "simple" have
the simplest landing page programs.
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