Rant after trying Rust a bit

[via Digitalmars-d]

On Thursday, 23 July 2015 at 13:30:49 UTC, Andrei Alexandrescu 
wrote:
> I used to be quite jazzed about the everything-is-an-expression 
> mantra, but it's not all great.
>
> 1. Inferring function return types when everything is an 
> expression (i.e. last expression there is the return type) may 
> yield WAT results.
>
> 2. Defining a result type for loops is awkward.
>
> At the end of the day everything-is-an-expression is natural 
> for functional languages, but doesn't seem it makes a large 
> difference to an imperative language.

It also works well for Ruby with its dynamic typing. Function 
return types don't matter, of course, and for loops you just use 
whatever the last executed expression happens to be.

Anyway, in D we have delegate literals, for the rare cases where 
it's useful.