DMD 1.031 and 2.015 releases

[Walter Bright]

Robert Fraser wrote:
> Out of curiosity, why doesn't return type deduction work for all 
> functions (is this panned?). It seems to be possible to do:
> 
> auto foo()()
> {
>     return 10;
> }
> 
> but not:
> 
> auto foo()
> {
>     return 10;
> }

Good question!

Because deducing the return type requires semantic analysis, and for 
functions that introduces the old forward reference chicken-and-egg 
problem. This doesn't happen with function templates, because semantic 
analysis of them doesn't happen until later.