What are (were) the most difficult parts of D?

[Ali Çehreli]

On 5/12/22 12:00, Paul Backus wrote:

 > Good news: starting from DMD 2.099, this error message has been
 > reworded. Instead of "cannot deduce function...". it now says:
 >
 > Error: none of the overloads of template `std.algorithm.iteration.sum`
 > are callable using argument types `!()(int[3])`

Much better.

An idea: The compiler should be able to detect static arrays and also 
suggest slicing with something like "slicing as in `arr[]` might work".

Ali