arrow function syntax simplified

[Brendan Eich]

Luke Hoban wrote:
> I actually think it's worth starting simple here (maximal minimalism again).  There is a lot of value in just having shorthand for exactly what 'function' is used fortoday.   Only statement bodies, no lexical this, nothing fancy for nullary parameter lists.  That alone would be a huge win, and would add effectively no additional complexity/concept count.

Kevin's analysis contradicts your assertion. Expression-bodied functions 
with bound |this| (or var self=this outside) predominate in the code he 
surveyed.

/be