So, You Want To Write Your Own Programming Language?

[bearophile]

Don:

> Could you give an example? We've tried very hard to avoid 
> useless error messages, there should only be one error message 
> for each bug in the code.
> Parser errors still generate a cascade of junk, and the "cannot 
> deduce function from argument types" message is still painful 
> -- is that what you mean? Or something else?

There are situations where I see lots and lots of error messages 
caused by some detail that breaks the instantiability of for some 
function from std.algorithm.

While trying to find you an example, I have found and filed this 
instead :-)
https://d.puremagic.com/issues/show_bug.cgi?id=11971

Bye,
bearophile