Lambda syntax, etc

[BCS]

Hello bearophile,

> I've taken a look at the syntax for lambda in other C-like languages.
> This is from Functional Java:
> http://functionaljava.org/examples#Array.filter
> 
> In Functional Java you can write this D syntax:
> (int i, int j) { return i % 3 == j; }
> as:
> { int i, int j => i % 3 == j }

That syntax, and a few of the below, show the one major gripe I have with 
ultra-compact lambdas: it's hard to *quickly* spot the args/code transition.

[...]
> i => i % 3 == 1 // C#3
> 
> i => { return i % 3 == 1; } // C#3, with statements too
> 
> To define a delegate o delegate closure:
> 
> Func<int> foo = i => { return i % 3 == 1; };
> 
> Func<int> foo = i => i % 3 == 1;
> 
> Func<int> bar = () => 2;
>