On Thu, May 19, 2011 at 8:46 AM, David Griffiths <[email protected]>wrote:
> For all the talk about what's "usable" and "readable", I haven't seen much
> mention of empirical testing done with ordinary people... (My sincere
> apologies if there's some usability test lab for middlingly intelligent
> JavaScripters that I'm not aware of).
>
>
That data is out there in the context of C#. C# 2.0 used this syntax for
local functions:
delegate(int x, int y) { return x + y; }
In C# 3.0, they added:
(x, y) => x + y
Aside from the type annotations, those almost perfectly mirror the current
discussion for JS. A motivated person could do some archeology of open
source code to find out how much each is being used. I was doing a lot of C#
when 3.0 came out and watched a number of people learn the new syntax. It
generally went like:
1. Lambdas? Never heard of them.
2. What is this weird arrow thing? I don't like it.
3. Eh, I kind of understand what's going on, but it seems fishy.
4. Hey this is pretty terse.
5. OMG, working with collections is a breeze now! I just chained five maps
and filters!
6. How did I ever live without this?
- bob
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